2012 GMC Sierra Accessories & Parts
2012 GMC Sierra Parts
2012 GMC Sierra Wheels & Tires
2012 GMC Sierra Exterior Accessories
Running Boards
Off-Road Bumpers
Custom Hoods
Towing & Hitches
Body Kits
Mirrors
Grille Guards
Bed Accessories
Chrome Trim
Bug Deflectors
Spoilers
Commercial Van Equipment
Custom Grilles
Tonneau Covers
Wind Deflectors
Fender Flares
Roof Racks
Winches
Car Covers
Car Bras
Bike Racks
Light Covers
Wiper Blades
Mud Flaps
License Plates & Frames
Sunroof Visors
Custom Horns
Car Tents
Car Wraps
Emblems & Logos
Armor & Protection
Spare Tire Covers & Carriers
Snow Plows
Auto Detailing
2012 GMC Sierra Automotive Lighting
2012 GMC Sierra Body Parts
2012 GMC Sierra Interior Accessories
2012 GMC Sierra Maintenance
2012 GMC Sierra Audio & Electronics
2012 GMC Sierra Automotive Tools
Diagnostic & Testing Tools
Engine Service Tools
Pullers & Installers
Suspension & Steering Service Tools
Wheel & Tire Service Tools
Oil Change Tools
A/C Tools & Equipment
Spark Plug & Ignition Tools
Cooling System Service Tools
Automotive Lifts & Stands
Fuel System Service
Automotive Paint
Repair Manuals
Jacks
Brake Service Tools
Lockout Kits
Exhaust System Service Tools
Auto Glass Tools
Electrical System Tools
Transmission & Drivetrain Service Tools
EV Charging
Battery Chargers & Jump Starters
Creepers
Key Cutting Machines
Dollies & Movers
Auto Detailing
Dent Repair Tools
Service Carts
Vehicle & Parts Protection
2012 GMC Sierra Specifications
| Models | 1500 | 2500HD / 3500HD | |||||
|---|---|---|---|---|---|---|---|
| Body Type | 2-doors Regular Cab 4-doors Extended Cab 4-doors Crew Cab | 2-doors Regular Cab 4-doors Extended Cab 4-doors Crew Cab | |||||
| Submodels | SL / SLE / SLT / Work Truck / XFE / Denali / Hybrid | SLE / SLT / Work Truck / Denali | |||||
| Engine Type | Vortec 4.3L V-6 (LU3) | Vortec 4.8L V-8 VVT (L20) | Vortec 5.3L V-8 VVT DI (LC9/LMG) | Vortec 6.0L V-8 (LZ1) | Vortec 6.2L V-8 VVT (L9H) | 6.0 L V8 Vortec V-8 VVT (L96) (LC8) | 6.6 L V8 Duramax Turbo Diesel |
| Fuel | GAS | Flex Fuel Vehicle | Flex Fuel Vehicle | ELECTRIC/FLEX | Flex Fuel Vehicle | Flex Fuel Vehicle, Compressed Natural Gas | DIESEL |
| Transmission | 4-Speed automatic (4L60-E /2ML70) 6-Speed automatic (6L80) | 6-Speed automatic | |||||
| Drivetrain | 4WD / RWD | 4WD / RWD | |||||
| Power HP | 195 hp @ 4600 rpm | 302 hp @ 5600 rpm | 315 hp @ 5200 rpm | 369 hp @ 5,100 rpm | 403 hp @ 5700 rpm | 360 hp @ 5,400 RPM | 397 hp @ 3,000 RPM |
| Torque | 260 lb-ft @ 2800 rpm | 305 lb-ft @ 4600 rpm | 335 lb-ft @ 4000 rpm | 367 hp @ 4100 rpm | 417 lb-ft @ 4300 rpm | 380 lb-ft @ 4,200 RPM / 515 Nm | 765 lb-ft @ 1,600 RPM / 1037 Nm |
| 0-60 | 9.2 sec | 7.2 sec | 7.0 sec | 6.7 sec | 6.1 sec | 6.7 sec | 7.1 sec |
| Top Speed | 100 mph | 100 mph | |||||
| Weight | 4500 - 5000 lbs | Sierra 2500HD 5741 - 6242 lbs Sierra 3500HD 5985 - 6551 lbs | |||||
| GVWR | 6400 - 6800 lbs (Reg Cab) 6400 - 7200 lbs (Ext. Cab) 6800 - 7300 lbs (Crew Cab) | Sierra 2500HD 9500 - 10000 lbs Sierra 3500HD Single Rear Wheel (SRW) 10700 - 11400 Dual Rear Wheel (DRW) 13400 - 13025 | |||||
| Payload (max) | 1527 - 1940 lbs (2WD) 1509 - 1890 lbs (4WD) | Sierra 2500HD 2WD / 4WD 2899 - 4212 lbs Sierra 3500HD Single Rear Wheel (SRW) 4100 - 4625 lbs (2WD) 4078 - 4609 lbs (4WD) Dual Rear Wheel (DRW) 6055 - 7215 lbs (2WD) 5703 - 6899 lbs (4WD) | |||||
| Towing/Trailering (max) | 7000 - 10700 lbs | Sierra 2500HD 2WD / 4WD 13000 /13000 lbs 4 Fifth-Wheel or Gooseneck 13700 / 17800 lbs Sierra 3500HD Single Rear Wheel (SRW) 13000 / 13000 lbs Dual Rear Wheel (DRW) 13600 / 16500 lbs | |||||
| Wheelbase | Regular Cab - 119 / 133 in Ext. Cab - 143.5 / 157.5 in Crew Cab - 143.5 in | Sierra 2500HD Regular Cab - 133.7 in Ext. Cab - 144.2 / 158.2 in Crew Cab - 153.7 / 167.7 in Sierra 3500HD Regular Cab / 133.6 in Double Cab - 144.2 / 158.1 in Crew Cab - 153.7 / 167.7 in | |||||
| Bed Length | Regular Cab SB 78.9 in LB 97.8 in Extended Cab SB 78.9 in Crew Cab Short Box 69.3 in | Regular Cab 2500HD LB 97.8 in Regular Cab 3500HD SB 78.9 in LB 97.8 in Double Cab SB 78.9 in LB 97.8 in Crew Cab SB 78.9 in LB 97.8 in | |||||
| Legroom | Regular Cab Front / Back: 41.3 in / - Extended Cab Front / Back: 41.3 in / 34.3 in Crew Cab Front / Back: 41.3 in /38.7 in | Regular Cab
Front / Back: 45.3 in / - Double Cab Front / Back: 45.3 in / 34.6 in Crew Cab Front / Back: 45.3 in / 40.9 in | |||||
| Width | 80 in | 80.5 in | |||||
| Length | Regular Cab - 205.6 in / 224.4 in Extended Cab - 230 in Crew Cab - 230 in / 239.6 in | Regular cab - 225.0 in Extended Cab - 230.6 in / 249.5 in Crew cab - 240.2 in / 259.1 in | |||||
| Height | 74.2 in | 77.5 in - 78.3 in | |||||
| Tire Size | LT245/75R17 2.4( tire pressure) LT255/70R17 2.4 (tire pressure) LT265/70R17 2.4 (tire pressure) LT265/65R18 2.4 (tire pressure) LT275/55R20 2.5 (tire pressure) | LT245/70R17 2.4 (tire pressure) LT265/70R17 2.4 (tire pressure) LT265/65R18 2.4 (tire pressure) LT275/55R20 2.5 (tire pressure) | LT255/70R17 2.4 (tire pressure) LT265/70R17 2.4 (tire pressure) LT265/65R18 2.4 (tire pressure) LT265/70R18 2.4 (tire pressure) LT275/55R20 2.5 (tire pressure) | LT245/70R17 2.4 (tire pressure) LT265/70R17 2.4 (tire pressure) LT265/65R18 2.4 (tire pressure) LT275/55R20 2.5 (tire pressure) | LT265/70R17 2.4 (tire pressure) LT265/65R18 2.4 (tire pressure) LT265/70R18 2.4 (tire pressure) LT275/55R20 2.5 (tire pressure) LT285/45R22 2.6 (tire pressure) | LT245/75R17 LT265/70R17 LT265/70R18 LT265/60R20 LT265/50R22 3.4 / 5.2 (tire pressure) | LT245/75R17 3.4 / 5.2 (tire pressure) LT265/70R17 3.4 / 5.2 (tire pressure) LT265/70R18 3.4 / 5.2(tire pressure) LT265/60R20 3.4 / 5.2 (tire pressure) LT275/50R22 3.6 / 5.4 (tire pressure) |
| Wheel Bolt Pattern | 6x139.7 | 8x180 | |||||
| Seats | Regular Cab - 3 Extended Cab - 5 (6) Crew Cab - 5 (6) | Regular cab - 3
Double cab - 5 (6) Crew Cab - 5 (6) | |||||
| Lights | Headlamps, High-Intensity Discharge (HID) | High-Intensity Discharge (HID) projector-beam headlamps | |||||
| Brakes | 4-wheel disc, 4-wheel antilock with Duralife rotors | 4-wheel disc, 4-wheel antilock with Duralife rotors | |||||
| Suspension | Front: Coil-Over-Shock Rear: 2-Stage Multi-Leaf | Front independent with torsion bars. Includes 33 mm front stabilizer bar Rear multileaf springs, semielliptical with urethane jounce bumpers | |||||
| EPA-estimated mpg | 21 combi | 17 combi | 19 combi | 22 combi | 18 combi | 12 combi | 15 combi |
| Tank Capacity | 26 gal | 36 gal | |||||
| Safety / Security | Driver Air Bag
Passenger Air Bag Front Head Air Bag Rear Head Air Bag Front Side Air Bag 4-Wheel ABS Front Disc/Rear Drum Brakes Electronic Stability Control Daytime Running Lights Integrated Turn Signal Mirrors Front Tow Hooks Traction Control | Driver Air Bag
Passenger Air Bag Front Head Air Bag Rear Head Air Bag Front Side Air Bag 4-Wheel ABS Front Disc/Rear Drum Brakes Electronic Stability Control Daytime Running Lights Integrated Turn Signal Mirrors Front Tow Hooks Traction Control | |||||
| Warranty | Basic: 3 Years/36,000 Miles Drivetrain: 5 Years/60,000 Miles Corrosion: 3 Years/36,000 Miles Roadside Assistance: 5 Years/60,000 Miles Maintenance: 2 Years/24,000 Miles | Basic: 3 Years/36,000 Miles Drivetrain: 5 Years/60,000 Miles Corrosion: 3 Years/36,000 Miles Roadside Assistance: 5 Years/60,000 Miles Maintenance: 2 Years/24,000 Miles | |||||
| Safety Rating | NHTSA 4 Stars Overall Rating | NHTSA 4 Stars Overall Rating (Sierra 2500HD) | |||||