GMC Sierra's broad lineup of body styles, powertrains and traction systems gives full-size truck customers almost limitless choices to tackle any job or recreational interest - and do it with Professional Grade confidence. Show For the 2006 model year, Sierra's versatility expands with new models, including an Extended Cab with short-length cargo box (available with 2WD or 4WD) and new base-model 1500 SL Crew Cab models (2WD and 4WD) that carry a lower MSRP than previous Crew Cab models. On the performance front, a new VortecMAX Performance Package delivers improved towing; an increase in the 5.3L V-8 engine's gross vehicle weight rating results in improved payload levels on extended and Crew Cab models; and engine upgrades to the Duramax Diesel 6600 result in enhanced horsepower and torque. In addition, the Sierra Heavy-Duty lineup is bolstered with the Allison 1000 Series transmission, which grows from a five-speed automatic to a six-speed. Sierra models are available with 2WD, 4WD and, with the unique Sierra Denali, full-time all-wheel drive. And because Sierra customers do more than haul construction equipment, the availability of stylish 20-inch chrome wheels expands in '06 on light duty. For heavy duty models, chrome-clad 16-inch wheels are available for the Crew Cab long box/single rear wheel models. Here's a closer look at all that's new with Sierra in 2006: Sierra 1500 Extended Cab/Short Box models: The Sierra 1500 is now available with a new extended cab/short box configuration. Available with 2WD or 4WD, the extended cab design is matched with a 5-foot 8-inch box - the same as Crew Cab models - giving customers three bed choices: short, standard (6-feet 6-inches) and long (8-feet). Sierra extended cab/short box models are available with SLE or SLT trim and include the Vortec 5300 V-8 (LM7), which is rated at 295 horsepower (220 kw) and 335 lb.-ft. of torque (463 Nm). Two-wheel drive models have a GVWR of 6,200 pounds (2,812 kg); the 4WD model has a 6,400-pound (2903 kg) GVWR. Twenty-inch wheels are available, as are the popular sunroof and manual-sliding rear window features that were introduced in 2005. Sierra SL Crew Cab model: A new base-model SL Crew Cab model, available in 2WD or 4WD, allows customers to select the useful Crew Cab configuration at a lower MSRP. Compared with uplevel Crew Cab models, the new SL offers the Vortec 4800 V-8 as standard equipment. Chrome 17-inch wheels and remote keyless entry are among the standard features. Crew Cab SL models receive a standard Z85 suspension, along with a 3.23 axle for 2WD models and 3.73 rear axle with 4WD models - 4WD models come with a manual-control transfer case. VortecMAX Performance Package: The VortecMAX performance package with enhanced Heavy Duty towing is designed to increase the towing capability of 4WD models of the Sierra 1500 extended cab/standard-length box and Sierra 1500 Crew Cab. The package includes a high-output Vortec 6000 engine rated at 345 horsepower (257 kw) and 380 lb.-ft. of torque (515 Nm), 17-inch wheels, a heavy-duty trailering package, new 9.5-inch rear axle (with 4:10 axle ratio), automatic locking differential, VortecMAX door badging and engine cover. Includes 4-speed automatic super duty (M70) transmission. The high-output 6.0L engine and heavy-duty 9.5-inch axle help give Sierra improved towing capability. The package enables a 10,000-pound towing capacity on the extended cab model and up to 9,900 pounds with the Crew Cab. Sierra Performance Edition: For SLE/SLT Extended Cab 2WD models, the Sierra Performance Edition pairs the VortecMAX high-output Vortec 6000 powertrain with 20-inch chrome wheels, which combine to create a powerful and road-ready Sierra. This package also includes a VortecMax door badge and engine cover, 3.73 rear axle, high performance suspension, HD automatic transmission, HD trailering, HD oil cooler, automatic locking differential, engine oil cooling system and traction control. GVWR increase: Performance improvements will also be realized on extended and Crew Cab models powered by the 5.3L V-8 engine as a gross vehicle weight rating increase results in improved payload levels. New diesel engine: An all-new version of the Duramax 6600 turbo-diesel V-8 engine will debut in the interim 2006 model year as an option on Sierra Heavy Duty models. When mated to an all-new Allison 1000 six-speed automatic transmission, the new powerplant will deliver more horsepower - 360 hp (268 kw) at 3000 rpm - and increased torque, at 650 lb.-ft. (899 Nm). The power increase comes with lower emissions and significantly improved quietness and smoothness. The Duramax 6600's horsepower and torque increase and emissions reduction are enabled by a strengthened iron cylinder block and a lower compression ratio. The lower compression reduces stress on the engine by reducing the peak cylinder firing pressure. This, in turn, allows more fuel to be burned - more fuel means more power - while the lower compression helps reduce NOx emissions. Lower compression also helps reduce noise and vibration, making the 6600 a quieter and smoother engine. A revised variable-geometry turbocharger also enhances the driving experience of the Duramax 6600. Aerodynamic changes to the turbo's impellers help tailor controlled application of turbo power for seamless and immediate response at full throttle. The turbo, which spins at up to 120,000 rpm, is high-speed-balanced, reducing vibration and resonance - and contributing to the engine's overall smoothness and refinement. The revised turbo also helps reduce emissions, while maximum boost remains at 20 psi. The comprehensive list of changes and upgrades to the 2006 Duramax 6600 includes:
The Duramax 6600 also has a new intake air heater to reduce smoke and emissions during cold or light-load driving. The system features a 600-watt grid heater located in the air intake duct, which is triggered automatically by the engine controller. It heats up the incoming air to speed warm-up of the engine. Allison six-speed Tap Shift automatic transmission: The Allison 1000 transmission grows from a five-speed automatic to a six-speed automatic. It's available for 2006 Sierra HD models equipped with the Duramax 6600 6.6L V-8 diesel or Vortec 8100 8.1L V-8. The transmission features a class-first range selection function, as well as offering enhanced fuel economy, quietness and control. The range selection function allows the driver to easily select the desired gears to match driving conditions, such as towing a trailer on a steep grade. The sixth gear - essentially a second overdrive gear - enables a wide, 5.08:1 overall forward gear ratio and allows the vehicle's engine to operate at lower rpm, particularly during higher-speed driving on highways and freeways. Its 0.61 ratio provides a 1550-rpm engine speed at 60 mph, compared with the five-speed transmission's 1800-rpm engine speed at 60 mph. The engine uses less fuel at lower rpm, enabling increased fuel mileage and range. The ratios of gears 1 through 5 remain the same as the Allison 1000 five-speed, including the 0.75:1 fifth gear. A tow/haul mode is retained on the Allison 1000 six-speed, but it is complemented by a new range selection feature that allows the driver to select the desired gears via a thumb-activated switch on the shifter. This provides a feeling of enhanced control in unique driving situations, such as towing on a steep grade. The range selection feature holds the gear pre-selected by the driver and electronic safeguards prevent the transmission from being shifted in a manner that could cause engine damage or loss of vehicle control. Diesel-engine vehicles equipped with the Allison 1000 six-speed feature cruise control grade braking. Working in harmony with the tow/haul mode, the cruise grade braking system will automatically downshift to help maintain the pre-selected cruise speed when driving on downhill grades. A new low-traction mode also is standard on vehicles equipped with the diesel engine. When the driver selects second gear while stopped and wheel slip occurs, the transmission torque-manages the engine to limit tire slip on slippery road surfaces. Additional changes for '06 Sierra Hybrid models available nationwide: Previously available in select markets, the Sierra 1500 Hybrid is available nationally in the 2006 model year. The Sierra Hybrid promises up to 12 percent fuel economy improvement through its ability to automatically stop and restart the engine under different operating circumstances. Instead of a conventional starter motor and alternator, the hybrid pickup use a compact 14-kw electric induction motor or starter generator integrated in a patented, space-efficient manner between the engine and transmission. The starter generator provides fast, quiet starting power and allows automatic engine stops/starts to conserve fuel. It also smoothes out any driveline surges; generates electrical current to charge the batteries and run auxiliary power outlets; and provides coast-down regenerative braking, to improve fuel economy. The standard Vortec 5300 V-8 engine delivers 295 horsepower (220 kw) and 335 lb.-ft. (463 Nm) of torque - the same as its non-hybrid counterpart - along with the capability of acting as a mobile power-generating station, including four 120-volt/20-amp electrical auxiliary power outlets (APO). The power outlets are located under the rear seat of the cab and in the pickup bed. Customers can conveniently operate power equipment without taking up the bed space typical portable generators would use. Sierra Special Edition: The availability of 20-inch chrome wheels expands on 2WD and 4WD Extended Cab and Crew Cab models via the Sierra Special Edition (B2E). The Sierra Special Edition is available on SLE/SLT trims and includes the Light Duty Power Package (5.3L, automatic locking differential, HD Trailering), 3.73 rear axle, high-performance suspension, automatic climate control and steering wheel controls. Chrome-clad 16-inch steel wheels are available for 3500 Crew Cab long box models with single rear wheels. Camper mirror: A new power-adjustable glass with manual-extending camper mirror is available. This vertical mirror has a larger glass area than previous camper mirrors and manually extends outward to provide a greater view when towing a trailer or camper. It includes heated, power-adjustable flat glass and integrated turn signals. A convex "spotter mirror" glass also has been added to the mirror, which gives the mirror a 20-inch improved field of view. The vertical design and new spotter mirror section answer customer requests for such a configuration. Single OnStar/XM antenna: All '06 Sierra models equipped with OnStar and XM Satellite Radio have a new, single-unit antenna that eliminates the need for two separate antennas. Exterior colours: Steel Gray Metallic and Stealth Gray Metallic have been added to the list of exterior colour choices. Diverse lineup The GMC Sierra is offered in a diverse array of configurations, including regular, extended or Crew Cab body styles; standard 6-foot 6-inch (2 m) or extended 8-foot (2.4 m) cargo boxes, along with the new 5-foot 8-inch short box. Half-ton, three-quarter-ton and one-ton models deliver tremendous payload and towing capability for almost any need. An impressive array of Vortec engines is offered in 1500 models: a 4300 4.3 L V-6; 4800 4.8L V-8; three models of the Vortec 5300 5.3L V-8; LM7, L33, L59 Flex-Fuel; and the powerful Vortec 6000 6.0L V-8. Engine output ranges from 195 hp (145 kw) all the way up to 345 hp (257 kw) in the Sierra Denali. The workhorse Vortec 8100 V-8 and Duramax Diesel 6600 engines pull more than their weight in heavy-duty models. In addition to the hybrid version, Sierra can also be ordered in several reduced-emissions or alternative-fuel variations. All Sierra models with the Vortec 4300 4.3L V-6, and those sold in California with the Vortec 4800 4.8L or Vortec 5300 5.3L V-8, have a robust catalytic converter system that meets Ultra Low Emission Vehicle (ULEV) standards. Engines can be ordered conversion ready. Light-duty Sierra models with the Vortec 5300 5.3L V-8 offer an option that enables owners to operate them on varying blends of ethanol and gasoline, up to a maximum of 85 percent ethanol. Sierra also can be equipped to meet any personal requirement or professional demand when it comes to hauling or towing. Payload capacities range from 1,295 pounds (587 kg) all the way to 4,047 pounds (1,836 kg) for 2500 heavy duty models. Gross Vehicle Weight Ratings range from 6,100 pounds (2,767 kg) to 6,400 pounds (2,903 kg) on the 1500 Extended Cab with standard-length box and 4WD. Sierra Heavy Duty pickups offer a wide selection of weight ratings, body styles and powertrain combinations, including diesel. At the top of the gasoline engine range is the available Vortec 8100 8.1L V-8, rated at 330 hp (246 kw) and 450 lb.-ft. (607 Nm) of torque. The available Duramax Diesel engine is enhanced for '06 with improved performance, smoothness and quietness. With impressive power, tough frames, advanced suspensions and high-capacity brakes, the 2500HD/3500 Series provides outstanding payload capacities as well as outstanding hauling and towing capabilities. The 2500 HD models have a GVWR of as much as 9,200 pounds (4,173 kg), and payloads up to 3,964 pounds (1,798 kg). The 3500 Series pickup models have a GVWR up to 11,400 pounds (5,171 kg) and payloads up to 5,753 pounds (2,610 kg). For chassis cab models, Sierra HD has an 11,400-pound (5,171-kg) GVWR for 2WD versions and a 12,000-pound (5,443 kg) GVWR when equipped with 4WD. Chassis cabs provide payloads up to 6,089 pounds (2,762 kg). Safety features Sierra 1500 models are equipped with GM's Passenger Sensing System, which uses the latest sensing technology to turn the front passenger air bag on or off. If the sensor system detects an unoccupied front passenger seat or the presence of a smaller occupant, the front passenger air bag is designed to automatically turn off so it would not deploy in the event of a frontal collision. A status indicator on the inside rearview mirror alerts occupants that the passenger air bag is on or off. Even with this system, GM strongly recommends restraining child passengers in an appropriate child seat placed in the rear of the vehicle. Owners should never install a rear-facing infant seat in front of an active air bag. GM also recommends that all children 12 and under ride in the rear seat when possible. The GMC Sierra also has dual-stage frontal air bags (not available on 1500HD Crew Cab, 2500HD and 3500 Series models) for supplemental protection for front seat passengers. Dual-stage frontal air bags are designed to help reduce the risk of air bag-induced injury. When the air bag system's control unit detects an impact, it determines whether the crash is severe enough to trigger a deployment, and whether the primary amount of inflation is sufficient. The primary stage alone will deploy in most frontal impacts requiring the supplemental protection of an air bag, while a secondary stage is designed to deploy in more severe frontal collisions. For '06, GM's OnStar safety and security system is available with the OnStar Plus Package, which is available on SLE and SLT light duty models. In the heavy-duty range, OnStar is available on SLE and SLT 2500 HD and 3500 models. OnStar is standard on Sierra Denali. OnStar-equipped Sierras feature OnStar dual-mode (analog-digital) equipment. OnStar's digital equipment also includes enhanced hands-free voice recognition capabilities including more intuitive continuous digit dialing and improved voice recognition accuracy. OnStar is the leading provider of in-vehicle safety, security and information services in the United States and Canada. Using the GPS satellite network and wireless technology, OnStar features core safety services and OnStar Hands-Free Calling that allows drivers to make and receive voice-activated phone calls using an externally mounted antenna for greater reception. Additional safety and security systems include electronic traction control on 2WD Sierra models to enhance handling and response on models equipped with a V-8 engine, automatic transmission and locking rear differential. All models come standard with PASSLock II theft deterrent system, and a driver information center that monitors and reports on numerous vehicle system functions. Air conditioning, chrome front bumpers, tinted glass, power steering with tilt-adjustable column, a full-size spare tire and heavy-duty battery also are standard on all Sierra models. * 1500-HD model does not include Passenger Sensing System. Impressive entertainment options Numerous entertainment systems - from available Bose sound systems to a Panasonic DVD passenger entertainment system - add to Sierra's comforts. These systems (except the base fleet radio) feature the next-generation Radio Data System, and can interface with services such as the optional XM Satellite Radio. On Crew Cab models, available rear-seat audio controls allow second-row passengers to enjoy a separate audio source from front-seat occupants. # # # Contact: STANDARD AND OPTIONAL FEATURES
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Box side rail protector O O O - Box - Fleetside Short (5 ft. 8 in.) - 1500 Extended and Crew Cab S S S S Box - Fleetside Standard (6 ft. 6 in.) - 1500HD Crew Cab - S S - Box - Fleetside Standard (6 ft. 6 in.) or Long (8.0 ft.) - 1500 Reg. and Ext Cab S S S - Bumpers - front, chrome with spectra gray cover and air dam (colour-keyed lower cover on SLE and SLT) S S S - Bumpers - colour-keyed, unique front and rear design - - - S Bumpers - rear chrome with step pad S S S - Exhaust tip - chrome plated - - - S Fender flares - wheel-opening on 4WD's (standard on 1500HD models) O O O - Fog lights - O S S Glass - Solar-Ray tinted, all windows S S S S Glass - deep-tinted on all windows behind front doors O O S S Grille - moulded plastic, painted argent with chrome surround O S S - Grille - Special chrome design - - - S Mirrors - below eye-line foldaway, black S S S - Mirrors - power remote control, heated - S - - Mirrors - power remote control, heated, power folding with reverse down, auto-dimming driver's side and integral turn signals - O S S Mirrors - power remote control, heated, power folding with reverse down, auto-dimming driver's side and integral turn signals with colour-keyed accents - - - S Mirrors - deluxe wide-load, vertical-style glass with lower convex spotter glass, heated with integrated turn signal, manual extending - O O - Mirrors - camper-style, manual extending O - - - Mouldings - bodyside, black O - - - Mouldings - bodyside, chrome - S S - Mouldings - bodyside, deluxe - - - S Package - Family Cab: Entertainment Package includes DVD player and wireless headphones, power sunroof (SLE, SLT and Denali Crew Cab 1500 models) - O O - Package - Sierra Nevada Edition: includes custom cloth up-level seat trim, heavy-duty suspension which is standard on 4WDs, 17" aluminum wheels, deep-tinted glass on all windows behind front doors, locking rear differential which is standard on 4WDs, chromed stainless steel tubular side steps, Sierra Nevada Edition decals (SL Regular or Extended Cab 1500 2WD and 4WD models) O O - - Package - Sierra Nevada Edition: includes Heavy-duty suspension which is standard on 4WD and Crew Cab models, 17" aluminum wheels, deep-tinted glass on all windows behind front doors, fog lights, locking rear differential which is standard on 4WDs, chromed stainless steel tubular side steps, Sierra Nevada Edition decals (SLE Regular, Extended and Crew Cab 1500 2WD and 4WD models) - O - - Package - 20" Wheel: includes 20" x 8.5" 5-spoke, chromed aluminum wheels, high-performance suspension on standard box models, P275/55R20 all-season tires, P265/70R17 spare tire (SLE, SLT Extended Cab short and standard box, 2WD models) - O O - Pickup box tonneau - hard cover O O O - Pickup box tonneau - soft cover O O O S Recovery hooks - two front S S S S Running boards - black, contoured (NA with Crew Cab) O O O - Side assist steps - tubular design, black or chrome finish O O O - Side assist steps - tubular design, chrome finish O O O S Skid plates - off-road, included with 1500 Z71 suspension (4WD only) O O O S Tires - 17" wheels with sizes ranging from P245/70R17 up to P265/70R17 all-season (except Denali, 1500HD and Hybrid models) S S S - Tires - 16" wheels with LT245/75R16 all-season on 1500HD models - S S - Tires - 16" wheels with P235/75R16 (2WD), P245/75R16 (4WD) on Hybrid models - S S - Tires - 20" aluminum wheels with P275/55R20 all-season - 1500 Extended Cab 2WD models only (standard on Denali and optional on Crew Cab models) - O O S Wheels - 16" x 7" brushed aluminum (Hybrid model) - S - - Wheels - 17" painted steel S - - - Wheels - 17" chromed steel O S - - Wheels - 17" aluminum O O O - Wheels - 20" chromed aluminum - O O S
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Air conditioning - dual-zone, manual climate control (standard on SL Ext. Cab) O S - - Air conditioning - dual-zone, automatic climate control - O S S Console - mini overhead - S S S Cruise control - electronic with resume, coast and decelerate/accelerate features O S S S Cupholders S S S S Defogger - electric, rear-window O S S S Door locks - power, with lock-out protection O S S S Door trim panels - colour-keyed grained moulded plastic S - - - Door trim panels - soft vinyl with map pocket - S S S Driver Information Centre - includes multi-language with trip functions, displays numerous vehicle functions with both visual and audible reminders/warnings S S S S Floor covering - black vinyl (except Crew Cab) S O - - Floor covering - colour-keyed carpeting and removable vinyl floor mats (includes rear in Ext. and Crew Cabs) O S S S Instrumentation - analogue, including speedometer, tachometer, voltmeter, coolant temperature, oil pressure, fuel gauge, odometer, trip odometer and engine hour meter S S S S Mirror - rear-view, auto-dimming with compass and exterior temperature readouts (except Wrangler) - S S S Personalization features - programs many comfort and convenience features using the steering wheel controls, including automatic locking/unlocking, perimeter lighting, exit lighting, remote lock/unlock feedback and reverse-down Curb View Assist feature of exterior mirrors - - S S Power outlet - one auxiliary, 12-volt, in addition to cigarette lighter receptacle S S S S Smoker's Package - includes lighter and ashtray (standard with bench seating) S O O O Steering column - tilt adjustable S S S S Steering wheel - leather-wrapped (except Wrangler) - S S S Stowage box - under rear seat (Ext. Cab only; not available on hybrid model) O O O - Sunroof - power, with express-open and wind deflector (Ext. and Crew Cabs) - O O O Sunshades - LH and RH padded colour-keyed cloth; LH with pocket, RH with visor mirror S S S - Sunshades - LH and RH padded colour-keyed cloth; LH with pocket, RH with visor mirror with illuminated visor mirrors and slider rod - - - S Universal home remote - 3-channel transmitter - - O S Windows - power, driver's express-down and lock-out feature - S S S Windows - rear, manual sliding O O O O
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Front 40/20/40 split-bench seat with manual driver's side recliner, in vinyl or cloth trim S - - - Front, Custom cloth 40/20/40 split-bench with manual recliners and centre armrest/storage - Ext. and Crew Cab also include seatback storage pockets O S - - Front bucket seats with manual recliners, power 6-way driver seat adjuster, driver and front-passenger inboard armrests - includes seatback storage pockets and centre floor console - Custom cloth or leather seat inserts (except Reg. Cab) - O - - Full-feature front bucket seats with heated leather seat inserts, driver's side 2-position memory controls and power 8-way driver and front-passenger seat adjusters plus power lumbar supports and seatback recliners, includes driver and front-passenger inboard armrests, seatback storage pockets and floor console - - S S Power 6-way driver seat adjuster on 40/20/40 split-bench seat - O - - Rear fold-up seat in Extended Cab S S S - Rear 40/60 split fold-down seat in Crew Cab - S S S Leather front seat inserts - Extended and Crew Cab - O S S Head restraints, adjustable on all outboard seats S S S S
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AM/FM stereo with seek/scan, digital clock and 4 speakers S - - - AM/FM stereo with seek/scan, CD player, Radio Data System (RDS), auto tone control, digital clock and 4 speakers in Regular cab - 6 speakers in Ext. and Crew Cab models O S - - AM/FM stereo with seek/scan, with both cassette tape and CD players, Radio Data System (RDS), auto tone control, digital clock and 4 speakers in Regular cab - 6 speakers in Ext. and Crew Cab models (includes 6 premium Bose speakers with optional bucket seats) - O O - AM/FM stereo with seek/scan, 6-disc CD changer, Radio Data System (RDS),auto tone control, digital clock and 6 Bose premium speakers - O S S Cassette tape player - - - S Steering wheel audio controls - O S S Rear-seat audio controls (Crew Cab) - O S S DVD Entertainment Package - includes rear seat overhead fold-down 178 mm (7 in.) LCD colour monitor, DVD player, video game input (RCA) jacks, rear-seat audio controls and wireless headphones (Crew Cab) - O O O XM Satellite Radio - features dozens of channels of commercial-free music as well as the best in news, sports, talk, comedy and more; digital quality sound with coast-to-coast signal coverage; includes three free trial months beyond which service fees apply - O O O
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Brakes - power, front disc/rear drum with anti-lock braking system (ABS) S S S - Brakes - power, 4-wheel disc with anti-lock braking system (ABS) on 1500HD, Denali and Hybrid models - S S S Engine - Vortec 4300 V6 (Regular Cab and 2WD Ext Cab standard box models) S - - - Engine - Vortec 4800 V8 (Regular Cab and 2WD Ext Cab standard box models) O S - - Engine - Vortec 4800 V8 (2WD Ext Cab long box and Wrangler Crew Cab short box models) S S - - Engine - Vortec 5300 V8 (Regular Cab and Ext. Cab standard and long box models) O O - - Engine - Vortec 5300 V8 (Ext. Cab short box and Crew Cab short box) S S S - Engine - Vortec 5300 V8, increased horsepower (4WD Ext. Cab) - O O - Engine - VortecMAX 6.0 L V8 (Denali) - - - S Engine block heater S S S S Exhaust system - aluminized stainless steel muffler and tailpipe S S S S Locking differential - rear (standard on 4WD models except SL and Wrangler) O O O S Package - Sierra Wrangler: includes Vortec 4800 V8 with 285 hp, 4-speed automatic transmission, heavy-duty suspension, tires: P245/70R17 all-season on 2WD models, P265/70R17 all-season on 4WD models, air conditioning, dual-zone manual control, sound system: AM/FM stereo with CD player, a value-based Crew Cab with limited option availability (SLE Crew Cab 1500 2WD and 4WD models) - O - - Package - VortecMAX Performance: includes heavy-duty rear axle with a 9.5 in. diameter ring gear, engine oil cooler, P265/70R17 on/off road tires, 6.0L 345 hp VortecMAX V8 engine, 4-speed super-duty automatic transmission (4L70E), Adjustable Ride Control suspension, Autotrac transfer case which is standard on Crew Cabs, Trailering Special Equipment package, "VortecMAX" door badge and engine cover decal (SLE, SLT Extended and Crew Cab 1500 standard box 2WD and 4WD models) - O O - Package - Sierra Performance Edition: includes 6.0L 345 hp VortecMAX V8 engine, 4-speed heavy-duty automatic transmission (4L65E), auxiliary transmission oil cooler, high-performance suspension, 20" x 8.5" 5-spoke, chromed aluminum wheels, P275/55R20 all-season tires, P265/55R17 spare tire, "VortecMAX" door badge and engine cover decal (SLE, SLT Extended Cab 1500 2WD standard box models) - O O - Package - Vortec 5300 V8 Hauler: includes Vortec 5300 V8 with 295 hp (standard on SLE Extended Cab long box and SLT models. Extended Cab 4WD models feature the aluminum block Vortec 5300 V8 with 310 hp), Trailering Special Equipment package, locking rear differential, ZX3 Ride Control suspension (SLE Regular and SLE/SLT Extended CAB 1500 2WD standard or long box models) - O O - Package - Vortec 5300 V8 Hauler: includes Trailering Special Equipment package, locking rear differential (SLE/SLT Crew Cab 1500 2WD short box models) - O O - Package - Vortec 5300 V8 Off-Road: includes Vortec 5300 V8 with 295 hp (standard on SLE Extended Cab Long Box and SLT models. Extended Cab 4WD models feature the aluminum block Vortec 5300 V8 with 310 hp), Trailering Special Equipment package, Z71 Off-Road Suspension package, P265/70R17 on/off road tires, Autotrac 4WD transfer case (standard on SLT and up-level SLE Extended Cab models) (available on SLE Regular and SLE/SLT Extended Cab 1500 4WD short, standard or long box models) - O O - Package - Vortec 5300 V8 Off-Road: includes Trailering Special Equipment Package, Z71 Off-Road Suspension Package (SLE/SLT Crew Cab 1500 4WD short box models) - O O - Spare tire carrier - rear underbody, winch-mounted with lock S S S S Steering - power, rack-and-pinion on 1500 series 2WD models S S S - Steering - power, recirculating ball on all other models S S S S Suspension - Standard (Z83), includes 35 mm twintube shock absorbers on 2WD models except SLT Extended Cabs S S - - Suspension - Heavy-duty (Z85), standard on all 4WDs and SLT Extended Cabs with monotube 36mm shocks for increased damping to improve handling and trailering S S S - Suspension - Ride Control (ZX3), optional on SLE and SLT 2WD and 4WDs. Manually adjusts the amount of shock absorber damping using a two-position switch for smooth road or increased control and trailering. - O O - Suspension - Off-Road (Z71), includes 46mm shock absorbers, special jounce bumpers and stabilizer bars, skid plates, high capacity air cleaner and Z71 decals. Available on SLE and SLT 4WDs only - O O S Trailering Special Equipment Package - includes weight-distributing platform trailer hitch receiver, 8-lead wiring harness with a 7-pin sealed connector (includes trailer brake control wiring harness), heavy-duty transmission oil cooler and high capacity air cleaner (standard on Denali) O O O S Transfer case (4WD models) - lever operated, 2-speed manual S S - - Transfer case (4WD models) - Autotrac with electronic push-button controls, standard on Crew Cab - O S - Transfer case - all-wheel drive (AWD), full-time - - - S Transmission - 5-speed manual with overdrive (SL Regular Cab only) S - - - Transmission - 4-speed automatic with overdrive and Tow/Haul mode S S S S
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Air bags - dual-stage, driver and front-passenger, frontal. Includes Passenger Sensing System with automatic air bag suppression (1500 models only) S S S S Air bags - single-stage, driver and front-passenger, frontal (1500HD models only) - S S S Brake/transmission shift interlock - (automatic transmission only) S S S S Headlights - with automatic light control S S S S Keyless entry system - remote, programmable with Panic feature - S S S OnStar In-Vehicle Communications and Assistance Service - includes one-year Safe & Sound Plan - O S S Safety restraints - LATCH (Lower Anchors and top Tethers for Children) - Ext. and Crew Cab only S S S S Theft-deterrent system - PASSLock S S S S Traction assist - electronic, 2WD models O O O - S - Standard Equipment. O - Optional Equipment. SPECIFICATIONS Overview Models: 2006 GMC Sierra 1500 Series, including Sierra Denali and 1500HD Body style / driveline: 2/3-passenger Regular Cab, 5/6-passenger Extended Cab, 5/6-passenger Crew Cab, 1/2-ton, 2-, 4- and all-wheel drive light-duty pickups available with 5-foot 8-inch, 6-foot 6-inch, and 8-foot (1.7 m, 2 m and 2.4 m) box EPA vehicle class: Full-size truck Manufacturing location: Pontiac, Michigan; Oshawa, Ontario, Canada; Fort Wayne, Indiana; Flint, Michigan (1500HD) Key competitors: Ford F-Series, Dodge Ram, Toyota Tundra Engines Vortec 4300 4.3L V-6 (LU3) Vortec 4800 4.8L V-8 (LR4) Vortec 5300 5.3L V-8 (LM7) including Hybrid model Vortec 5300 5.3L V-8 (L33) Type: 4.3L V-6 4.8L V-8 5.3L V-8 5.3L V-8 Displacement (cu in / cc): 262 / 4300 293 / 4807 325 / 5328 325 / 5328 Bore & stroke (in / mm): 4 x 3.48 / 101.6 x 88 3.78 x 3.27 / 96.01 x 83 3.78 x 3.62 / 96.01 x 92 3.78 x 3.62 / 96.01 x 92 Block material: Cast iron Cast iron Cast iron Aluminum with iron cylinder sleeves Cylinder head material: Cast iron Cast aluminum Cast aluminum Cast aluminum Valvetrain: OHV, 2 valves per cylinder OHV, 2 valves per cylinder OHV, 2 valves per cylinder OHV, 2 valves per cylinder Ignition system: Direct composite distributor, long-life spark plugs, low-resistance spark plug wires Coil near plug, composite distributor, iridium-tipped spark plugs, low-resistance spark plug wires Coil near plug, composite distributor, iridium-tipped spark plugs, low-resistance spark plug wires Coil near plug, iridium-tipped spark plugs, low-resistance spark plug wires Fuel delivery: Sequential fuel injection Sequential fuel injection Sequential fuel injection Sequential fuel injection Compression ratio: 9.2:1 9.5:1 9.5:1 9.9:1 Horsepower (hp / kw @ rpm): 195 / 145 @ 4600 285 / 201 @ 5200 295 / 220 @ 5200 310 / 231 @ 5200 Torque (lb-ft / Nm @ rpm): 260 / 353 @ 2800 295 / 398 @ 4000 335 / 463 @ 4000 335 / 463 @ 4000 Recommended fuel: 87 octane 87 octane 87 octane 87 octane Maximum engine speed (rpm): manual: 5600 manual: 5600 manual: 5600 manual: 5600 Emissions controls: 3-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system Engines (cont'd) Vortec 5300 5.3L V-8 (L59) Flexible Fuel Vortec 6000 6.0L V-8 (LQ4) Vortec 6000 6.0L V-8 (LQ9) (Sierra Denali & VortecMAX Performance Package) Type: 5.3L V-8 6.0L V-8 6.0L V-8 Displacement (cu in / cc): 325 / 5328 364 / 5967 364 / 5967 Bore & stroke (in / mm): 3.78 x 3.62 / 96 x 92 4 x 3.62 / 101.6 x 92 4 x 3.62 / 101.6 x 92 Block material: Cast iron Cast iron Cast iron Cylinder head material: Cast aluminum Cast aluminum Cast aluminum Valvetrain: OHV, 2 valves per cylinder OHV, 2 valves per cylinder OHV, 2 valves per cylinder Ignition system: Coil near plug, composite distributor, iridium-tipped spark plugs, low-resistance spark plug wires Coil near plug, iridium- tipped spark plugs, low-resistance spark plug wires Coil near plug, iridium-tipped spark plugs, low-resistance spark plug wires Fuel delivery: Sequential fuel injection Sequential fuel injection Sequential fuel injection Compression ratio: 9.5:1 9.4:1 10:1 Horsepower (hp / kw @ rpm): 295 / 220 @ 5200 300 / 224 @ 4400 345 / 257 @ 5200 Torque (lb-ft / Nm @ rpm): 335 / 463 @ 4000 360 / 488 @ 4000 380 / 515 @ 4000 Recommended fuel: 87 octane or E85 (Ethanol) 87 octane 87 octane (premium recommended but not required) Maximum engine speed (rpm): manual: 5600 manual: 5600 manual: 5600 Emissions controls: 3-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system Estimated C1500 Series (2WD) K1500 Series (4WD) C1500 Series - 4.3L (2WD) K1500 Series - 4.3L (4WD) MPIG (city / hwy / combined) automatic: 19 / 27 / 22 automatic: 18 / 24 / 20 L/100km (city / hwy / comb.) automatic: 14.8 / 10.4 / 12.8 automatic: 15.7 / 11.8 / 14.0 C1500 Series - 4.8L (2WD) K1500 Series - 4.8L (4WD) MPIG (city / hwy / combined) automatic: 20 / 27 / 23 automatic: 18 / 25 / 21 L/100km (city / hwy / comb.) automatic: 14.3 / 10.3 / 12.5 automatic: 15.4 / 11.3 / 13.6 C1500 Series - 5.3L (2WD) K1500 Series - 5.3L (4WD) MPIG (city / hwy / combined) automatic: 19 / 26 / 22 automatic: 18 / 25 / 21 L/100km (city / hwy / comb.) automatic: 14.8 / 10.7 / 13.0 automatic: 15.8 / 11.3 / 13.7 C1500 Series - 6.0L (2WD) K1500 Series – 6.0L (4WD) MPIG (city / hwy / combined) automatic: 18 / 26 / 21 automatic: 17 / 22 / 19 L/100km (city / hwy / comb.) automatic: 15.6 / 11.0 / 13.6 automatic: 17.0 / 12.8 / 15.1 Sierra Denali – 6.0L (AWD) MPIG (city / hwy / combined) – automatic: 16 / 23 / 19 L/100km (city / hwy / comb.) – automatic: 17.3 / 12.5 / 15.2 Transmissions NV3500 (MG5) NV4500 (MW3) Hydra-Matic 4L60-E (M30/M33) Hydra-Matic 4L80-E Hydra-Matic 4L70-E (M70) Hydra-Matic 4L85-E (Sierra Denali) Type: 5-speed manual 5-speed manual 4-speed automatic 4-speed automatic 4-speed automatic 4-speed automatic Gear ratios (:1): First: 4.02 5.61 3.06 2.48 3.06 2.48 Second: 2.32 3.04 1.63 1.48 1.63 1.48 Third: 1.40 1.67 1.00 1.00 1.00 1.00 Fourth: 1.00 1.00 0.70 0.75 0.70 0.75 Fifth: 0.73 0.75 - - - - Reverse: 3.55 5.04 2.29 2.07 2.29 2.07 Final drive ratio: 3.08 3.42 3.08 3.42 3.08 4.10 Chassis/Suspension Front: 1500 4WD: independent with computer-selected torsion bars, 28.6-mm stabilizer bar Rear: Solid axle with semi-elliptic, variable-rate, two-stage multileaf springs; gas-pressurized shocks Traction control: 2WD only Steering type 4WD: power recirculating ball Steering ratio: 14.2:1 Steering wheel turns, lock-to-lock: 3 Turning circle, curb-to-curb (ft / m): 2WD Reg. Cab Standard Box: 40.1 / 12.2 Brakes Type: Vacuum booster, power, 4-wheel disc, 4-wheel ABS, DRP; or vacuum booster, power, front disc/rear drum, 4-wheel ABS, DRP Rotor diameter x thickness (in / mm) 1500 with disc/drum brakes: front: 12.99 x 1.18 / 330 x 30 1500 with 4-wheel disc: front: 12.01 x 1.14 / 305 x 29 1500HD, 2500: front: 12.8 x 1.5 / 325 x 38; rear Total swept area (sq in / sq cm) 1500 with disc/drum brakes: front: 301.2 / 1944 1500 with 4-wheel disc: front: 213.6 / 1378 1500HD, 2500: front: 245.5 / 1584 Wheels/Tires Wheel size & type: Work Truck 6-lug 17-inch x 7.0-inch painted steel (std) 2WD Reg and Ext cab, WD/4WD Crew Cab: 6-lug 17-inch x 7.5-inch chrome-style steel (std w/YE9, opt w/o YE9 1500HD: 8-lug 16-inch x 6.5-inch chrome-style steel (std) Tires: 2WD: P245/70R17-108S all-season blackwall (std) 4WD (Reg/Ext. Cab): P265/70R17-113S all-season blackwall (std) 4WD Crew Cab: P265/70R17-113S all-season blackwall (std) 1500HD 2WD/4WD: LT245/75R16E-120S all season blackwall (opt) Dimensions Exterior Regular Cab, Standard Box Regular Cab, Long Box Extended Cab, Standard Box Extended Cab, Long Box TC 15703, TK 15703 TC 15903, TK 15903 TC 15753, TC 15953, Wheelbase (in / mm): 119 / 3023 133 / 3378 143.5 / 3645 157.5 / 4000 Overall length (in / mm): 202.9 / 5154 221.9 / 5636 227.4 / 5776 246.6 / 6264 Overall width in / mm): Base / fleet: Base / fleet: Base / fleet: Base / fleet: Overall height (in / mm) 2WD: 71.2 / 1808 2WD: 71 / 1803 2WD: 71.2 / 1808 2WD: 70.8 / 1798 Track (in / mm) front: 65 / 1651 front: 65 / 1651 front: 65 / 1651 front: 65 / 1651 Min. ground clearance (in / mm): 2WD: 8.0 / 269 2WD: 9.1 / 231 2WD: 8 / 203 2WD: 8 / 203 Ground to top of load floor (in / mm): 2WD: 31.6 / 803 2WD: 31.6 / 803 2WD: 31.6 / 803 2WD: 31.6 / 803 Step-in height: 2WD: 19.5 / 495 2WD: 19.5 / 495 2WD: 19.5 / 495 2WD: 19.5 / 495 Approach angle (deg): 28 28 28 28 Breakover angle (deg): 14 14 14 14 Departure angle (deg): 23 23 23 23 Exterior (cont'd) Extended Cab, Short Box Crew Cab, Short Box Crew Cab, Standard Box (1500HD) TC 15553, TC 15543, TC 15743, Wheelbase (in / mm): 134 / 3404 143.5 / 3645 153 / 3886 Overall length (in / mm): 217.9 / 5535 227.5 / 5779 237.2 / 6025 Overall width in / mm): Base / fleet: Base / fleet: Base / fleet: Overall height (in / mm) 2WD: 71.2 / 1808 2WD: 72.6 / 1844 2WD: 77 / 1956 Track (in / mm) front: 65 / 1651 front: 65 / 1651 front: 68.6 / 1899 Min. ground clearance (in / mm): 2WD: 8 / 203 2WD: 8.1 / 206 2WD: 9.1 / 231 Ground to top of load floor (in / mm): 2WD: 31.6 / 803 2WD: 31.6 / 803 2WD: - Step-in height: 2WD: 19.5 / 495 2WD: 19.5 / 495 2WD: 19.5 / 495 Approach angle (deg): 28 28 28 Breakover angle (deg): 14 14 14 Departure angle (deg): 23 23 23 GVWR (lb / kg) Curb Weight (lb / kg) Payload (lb / kg) Weight Distribution (% front / rear) 2WD pickups:* TC15703 Reg. Cab Stand. Box: 6100 / 2767 4211 / 1910 1889 / 857 57.7 / 42.3 TC15903 Reg. Cab Long Box: 6400 / 2903 4348 / 1972 2052 / 931 57.9 / 42.1 TC15753 Ext. Cab Stand. Box: 6500 / 2948 4625 / 2098 1875 / 851 57.9 / 42.1 (w/ LM7) TC15953 Ext. Cab Long Box: 6700 / 3039 4894 / 2220 1806 / 819 59 / 41 (w/ LM7) TC15553 Ext. Cab Short box: 6200 / 2812 4760 / 2159 1440 / 653 57.8 / 42.2 TC15543 Crew Cab Short Box: 6900 / 3130 4987 / 2262 1913 / 868 57.6 / 42.4 TC15743 1500HD Crew Cab Short Box: 8600 / 3901 5471 / 2482 3129 / 1419 57.6 / 42.4 4WD pickups:* TK15703 Reg. Cab Stand. Box: 6400 / 2903 4508 / 2045 1892 / 858 58.6 / 41.4 TK15903 Reg. Cab Long Box: 6400 / 2903 4634 / 2102 1766 / 801 58.8 / 41.2 TK15753 Ext. Cab Stand. Box: 6700 / 3039 5050 / 2290 1650 / 748 59.9 / 40.1 (w/ LM7) TK15953 Ext. Cab Long Box: 6700 / 3039 5232 / 2375 1468 / 666 59.8 / 40.2 (w/ LM7) TK15553 Ext. Cab Short Box: 6400 / 2903 5050 / 2290 1350 / 612 58.4 / 41.6 TK15543 Crew Cab Short Box: 7000 / 3175 5284 / 2397 1716 / 778 58.7 / 41.3 TK15743 1500HD Crew Cab Short Box: 8600 / 3901 5762 / 2614 2838 / 1287 59.2 / 40.8 Base Curb Weight & Payload Cargo box Std. Box Fleetside Long Box Fleetside Short Box Cargo volume (cu ft / L): 56.9 / 1611 73.9 / 2092.8 49.6 / 1405 Length at floor (in / mm): 78.7 / 1999 97.6 / 2479 69.2 / 1758 Width at floor (in / mm): 64.8 / 1646 64.8 / 1646 60.2 / 1529 Width at top (in / mm): 61.9 / 1572 61.9 / 1572 61.9 / 1572 Width between wheelhousings (in / mm): 50 / 1270 50 / 1270 50 / 1270 Tailgate width (in / mm): 63.8 / 1621 63.8 / 1621 60.6 / 1539 Inside height (in / mm): 19.5 / 495 19.5 / 495 19.5 / 495 Interior Regular Cab Extended Cab Extended Cab Head room (in / mm): 41 / 1041 41 / 1041 38.4 / 975 Legroom (in / mm): 41.3 / 1049 41.3 / 1049 33.7 / 856 Shoulder room (in / mm): 61.4 / 1560 61.4 / 1560 65.1 / 1654 Hip room (in / mm): 63.9 / 1623 63.9 / 1623 61.4 / 1560 Interior (cont') 1500 Crew Cab 1500 Crew Cab 2500 Crew Cab 2500 Crew Cab Head room (in / mm): 40.7 / 1034 40.2 / 1021 41.1 / 1044 39.9 / 1013 Legroom (in / mm): 41.3 / 1049 39.1 / 993 41.3 / 1049 38.8 / 990 Shoulder room (in / mm): 61.4 / 1560 65.1 / 1654 61.4 / 1560 65.1 / 1654 Hip room (in / mm): 63.9 / 1623 61.4 / 1560 63.9 / 1623 61.4 / 1560 Capacities Regular Cab, Standard Box Regular Cab, Long Box Extended Cab, Standard Box Extended Cab, Long Box Extended Cab, Short Box TC15703, TK15703 TC15903, TK15903 TC 15753, TC 15953, TC 15553, Seating: 2 / 3 2 / 3 5 / 6 5 / 6 5 / 6 Fuel tank (imp.gal / L): 21.6 / 98.4 28.3 / 128.7 21.6 / 98.4 28.3 / 128.7 21.6 / 98.4 Capacities (cont'd) Crew Cab, Short Box Crew Cab, Standard Box (1500HD) TC 15543, TC 15743, Seating: 5 / 6 5 / 6 Fuel tank (imp.gal / L): 21.6 / 98.4 21.6 / 98.4 Trailer towing maximum (lb / kg): Reg. Cab, Std. Box 2WD: 8400 / 3810; with 5.3L V-8, auto. Trans., 3.73 axle (req. weight distributing hitch) Reg. Cab, Long Box 2WD: 8200 / 3719; with 5.3L V-8, auto. Trans., 3.73 axle (req. weight distributing hitch) Ext. Cab, Std. Box 2WD: 7800 / 3538; with 6.0L V-8, auto. Trans., 3.73 axle (req. weight distributing hitch) Ext. Cab, Std. Box (w/ VortecMAX) 2WD: 10400 / 4717; with 6.0L V-8, auto. trans., 4.10 axle (req. weight distributing hitch) Ext. Cab., Long Box 2WD: 7800 / 3538; with 5.3L V-8, auto. Trans., 3.73 axle (req. weight distributing hitch) Ext. Cab, Short Box 2WD: 8000 / 3629; with 5.3L V-8, auto. Trans., 3.73 axle (req. weight distributing hitch) Crew Cab, Short Box 2WD: 10100 / 4581; with 6.0L V-8, auto. Trans., 3.73 axle (req. weight distributing hitch) Crew Cab, Short Box (w/ VortecMAX) 2WD: 10100 / 4581; with 6.0L V-8, auto. Trans., 3.73 axle (req. weight distributing hitch) Crew Cab, Std. Box (1500HD) 2WD: 10300 / 4672; with 6.0L V-8, auto. trans., 4.10 axle (req. weight distributing hitch) * 2WD/4WD 1500 Series models limited to 5,000-pound (2,250 kg) trailer ratings unless equipped with Z85 Increased Capacity or ZX3 Manual Select Damping or Z71 Off-Road Suspension Package. Z82 Heavy Duty Trailering Package includes trailer hitch platform, trailer electrical connector and suspension upgrade, if necessary.
Overview Models: GMC Sierra 2500HD and 3500 Body style / driveline: 2/3 passenger Regular Cab or 5/6 passenger Extended Cab Construction: Body on frame EPA vehicle class: Full-size truck Manufacturing location: Fort Wayne, Indiana; Pontiac, Michigan; Flint, Michigan Key competitors: Ford Superduty Series Pickup, Dodge Ram Heavy Duty Pickup Engines Vortec 6000 6.0L V-8 (LQ4) Vortec 8100 8.1L V-8 (L18) Duramax 6600 6.6L V-8 (LBZ) Type: 6.0L V-8 8.1L V-8 6.6L V-8 Displacement (cu in / cc): 364 / 5967 496 / 8128 403 / 6599 Bore & stroke (in / mm): 4 x 3.62 / 101.6 x 92 4.25 x 4.37 / 107.9 x 111 4.06 x 3.9 / 103 x 99 Block material: Cast iron Cast iron Cast iron Cylinder head material: Cast aluminum Cast iron Cast aluminum Valvetrain: OHV OHV OHV Ignition system: Coil-near-plug, iridium-tipped spark plugs, low-resistance spark plug wires Coil-near-plug, iridium-tipped spark plugs, low-resistance spark plug wires Compression, glow plug start aid Fuel delivery: Sequential fuel injection Sequential fuel injection Direct injection diesel with high pressure common rail Compression ratio: 9.4:1 9.1:1 16.8:1 Horsepower (hp / kw @ rpm): 300 / 224 @ 4400 330 / 246 @ 4200 (L18) 360 / 268 @ 3200 (auto trans) Torque (lb-ft / Nm @ rpm): 360 / 488 @ 4000 450/ 610 @ 3200 (L18) 650 / 899 @ 1600 (auto trans) Recommended fuel: 87 octane 87 octane diesel Maximum engine speed (rpm): manual: 5600 manual: 5000 3250 Emissions controls: 3-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system 3-way catalytic converter, exhaust gas recirculation, positive crankcase ventilation, evaporative collection system turbocharged, intercooled, catalytic converter system Transmissions Hydra-Matic 4L80-E NVG 3500 (MW3) ZF S6-650 (ML6) Allison 1000 (MW7) Type: 4-speed automatic 5-speed manual 6-speed manual 6-speed automatic Gear ratios (:1): First: 2.48 5.61 5.79 3.10 Second: 1.48 3.04 3.31 1.81 Third: 1.00 1.67 2.10 1.41 Fourth: 0.75 1.00 1.31 1.00 Fifth: - 0.75 1.00 0.71 Sixth: - - 0.76 0.61 Reverse: 2.08 5.04 5.23 4.49 Final drive ratio (with all transmissions): Vortec 6000: 4.10 standard on all models Chassis/Suspension Front : All models: std long- and short-arm independent front torsion bar suspension Rear 2500HD Pickups: semi-elliptic 2-stage multileaf spring Steering type: Integral power recirculating ball Steering ratio: 24:1 Steering wheel turns, lock-to-lock: 3.14 Regular Cab Extended Cab Crew Cab Turning circle, curb-to-curb (ft / m): 2500HD Series single-wheel pickups: 2WD: 43.8 / 13.4 2WD: 46.8 / 14.3 2WD: 49.6 / 15.1 3500 Series dual-wheel pickups: 2WD: 43.7 / 13.3 2WD: 50.7 / 15.5 2WD: 53.5 / 16.3 3500 Series single-wheel pickups: 4WD: 43.8 / 13.4 4WD: 50.8 / 15.5 4WD: 49.6 / 15.1 Brakes Type: Power, Hydroboost brake-apply system, 4-wheel disc, 4-wheel ABS Rotor diameter x thickness (in / mm): front: 12.8 x 1.5 / 325 x 38 Total swept area (sq in / sq cm): front: 245.5 / 1584 Wheels/Tires Wheel size and type: 8-bolt 16 x 6.5-inch steel wheels std; opt on 2500HD models: chrome center cap, chrome steel wheels with chrome center cap and polished forged aluminum wheels Chassis Cab wheels redesigned to display more surface area. Tires: 2500HD models: LT245/75R16E radials, with either all-season or on-/off-road design, depending on model 3500-Series: LT215/85R16-E highway or on-/off-road tires; tire size and inflation pressure geared to specific load ratings Dimensions Exterior 2500HD / 3500 2500HD Extended Cab Standard Box 2500HD / 3500 Extended Cab Wheelbase (in / mm): 133 / 3378 143.5 / 3645 157.5 / 4001 Overall length (in / mm): 2WD: 222.1 / 5641 2WD: 227.7 / 5784 2WD: 246.6 / 6264 Overall width (in / mm): 2WD: 79.7 / 2024 2WD: 79.7 / 2024 2WD: 79.7 / 2024 Overall height: (in / mm): 2WD: 2WD: 4WD: 2WD: Track (in / mm): front: front: front: Minimum ground clearance (in / mm): 2WD (front): 2500HD: 8.6 / 218.4 8.5 / 216 2500HD: 8.5 / 216 2WD (rear): 2500HD: 7.5 / 190.5 7.4 / 188 2500HD: 7.4 / 188 4WD (front): 2500HD: 8.9 / 226.1 8.8 / 223.5 2500HD: 8.8 / 223.5 4WD (rear): 2500HD: 7.5 / 190.5 7.4 / 188 2500HD: 7.4 / 188 Step-in height (in / mm): 2WD: 2500HD: 24.9 / 632.5 24.4 / 619.8 2500HD: 24.4 / 619.8 4WD: 2500HD: 25.4 / 645.2 24.6 / 624.8 2500HD: 24.6 / 624.8 Exterior (cont'd) 2500HD Crew Cab Standard Box 2500HD / 3500 Wheelbase (in / mm): 153 / 3886 167 / 4242 Overall length (in / mm): 2WD: 237.3 / 6027 2WD: 256.2 / 6507 Overall width (in / mm): 2WD: 79.7 / 2024 2WD: 79.7 / 2024 Overall height: (in / mm): 2WD: 4WD: 2WD: Track (in / mm): front: front: Minimum ground clearance (in / mm): 2WD (front): 8.7 / 221.0 2500HD: 8.7 / 221 2WD (rear): 7.4 / 188.0 2500HD: 7.6 / 193 4WD (front): 8.9 / 226.1 2500HD: 8.7 / 221 4WD (rear): 7.4 / 188 2500HD: 7.6 / 193 Step-in height (in / mm): 2WD: 24.6 / 624.8 2500HD: 24.6 / 624.8 4WD: 25.1 / 631.5 2500HD: 25.1 / 637.5 GVWR (lb / kg) Curb Payload (lb / kg) Weight Distribution (% front/rear) 2500HD Reg Cab, Long Box 2WD/4WD: 2WD: 9200 / 4173 5142 / 2332 4058 / 1841 56.2 / 43.8 2500HD Ext Cab, Std. Box 2WD/4WD: 2WD: 9200 / 4173 5398 / 2448 3802 / 1724 56.1 / 43.9 2500HD Ext Cab, Long Box 2WD/4WD: 2WD: 9200 / 4173 5561 / 2522 3639 / 1651 56.3 / 43.7 2500HD Crew Cab, Std. Box 2WD/4WD: 2WD: 9200 / 4173 5594 / 2537 3606 / 1536 55.2 / 44.8 2500HD Crew Cab, Long Box 2WD/4WD: 2WD: 9200 / 4173 5745 / 2606 3455 / 1568 55.5 / 44.5 3500 Reg Cab, Long Box, 4WD; SRW / DRW: SRW: 9900 / 4491 5687 / 2580 4213 / 1911 55.5 / 44.5 3500 Ext Cab, Long Box, 2WD; DRW: 11400 / 5171 6053 / 2746 5347 / 2425 52.3 / 47.7 3500 Ext Cab, Long Box, 4WD; SRW / DRW: SRW: 9900 / 4491 6197 / 2811 3703 / 1680 55.2 / 44.8 3500 Crew Cab, Long Box, 2WD; DRW: 11400 / 5171 6231 / 2826 5169 / 2345 51.9 / 48.1 3500 Crew Cab, Long Box, 4WD; SRW / DRW: SRW: 9900 / 4491 6322 / 2868 3578 / 1623 55.4/ 44.6 Cargo box Long Box Standard Box Cargo volume (cu ft / L): 70.7 / 2002 56.9 / 1611 Length at floor (in / mm): 97.6 / 2479 78.7 / 1999 Width at floor (in / mm): 64.8 / 1646 64.8 / 1646 Opening width rear at top (in / mm): 61.9 / 1572 61.9 / 1572 Width between wheel housings (in / mm): 50 / 1270 50 / 1270 Inside height (in / mm) 19.5 / 495 19.5 / 495 Interior Regular Cab Extended Cab Crew Cab Headroom (in / mm): 41 / 1041 front: 41 / 1041 front: 41 / 1041 Legroom (in / mm): 41.3 / 1049 front: 41.3 / 1049 front: 41.3 / 1049 Shoulder room (in / mm): 65.2 / 1656 front: 65.2 / 1656 front: 65.2 / 1656 Hip room (in / mm): 61.4 / 1560 front: 61.4 / 1560 front: 61.4 / 1560 Capacities Fuel tank (gal / L): Standard box, all models (except diesel): 26 / 98.4; Trailer towing maximum (lb / kg): 2500HD Reg. Cab, Long Box: 2WD: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 2500HD Ext. Cab, Std. Box: 2WD: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 2500HD Ext. Cab, Long Box: 2WD: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 2500HD Crew Cab, Std. Box: 2WD: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 2500HD Crew Cab, Long Box: 2WD: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 3500 Reg. Cab, Long Box, 4WD; SRW / DRW: SRW: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 3500 Ext. Cab, Long Box, 2WD; DRW DRW: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 3500 Ext. Cab, Long Box, 4WD; SRW / DRW: SRW: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 3500 Crew Cab, Long Box, 2WD; DRW: DRW: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch 3500 Crew Cab, Long Box, 4WD; SRW / DRW: SRW: 12000 / 5443; 8.1L V-8 (w/4.10 axle) or 6.6L Diesel (w/3.73 axle); req. weight distributing hitch Regular Cab Extended Cab Crew Cab Seating: 2 / 3 5 / 6 5 / 6 Man trans: 15.2 / 14.4 23.6 / 22.3 21.8 / 20.7 Auto trans: 14.4 / 13.6 23.1 / 21.9 21.4 / 20.3 *For alternative-fuel vehicles, trailer tongue weight should be 10 to 15 percent of total-loaded trailer weight. On other models, trailer tongue weight should be 10 to 15 percent of total-loaded trailer weight up to 1,500 lb. (675 kg). On all models, the base cooling system includes all content required to attain maximum trailering rating, and the Z82 Heavy Duty trailering package includes the trailer hitch platform and trailer electrical connector. How many pounds can a 2006 GMC Sierra tow?Used 2006 GMC Sierra 1500 Work Truck Regular Cab Specs & Features. Is the GMC Sierra 1500 good for towing?The maximum towing capacity of a new 2021 GMC Sierra 1500 comes in at up to 11,800 lbs when properly equipped. That's more than enough for a boat, a camper, a trailer loaded with toys like an ATV or job site equipment, and much more. The possibilities are almost endless.
How much weight can a 2006 GMC Sierra carry?The GMC Sierra 1500 is the light-duty version of the GMC Sierra. The Sierra 1500 comes available in two and four wheel drive and offers payloads ranging from 1,215 to 2,040 pounds, and tow ratings from 4,100 up to 9,000 pounds, depending on equipment.
How many tons can a GMC Sierra 1500 pull?The 2022 GMC Sierra 1500 towing capacity maxes out around 13,000 pounds. Here are the specs: Maximum Towing Capacity – 13,000 pounds.
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2006 gmc sierra 1500 4.8 towing capacity
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