2012 GMC Sierra 3500 Accessories & Parts
2012 GMC Sierra 3500 Parts
2012 GMC Sierra 3500 Wheels & Tires
2012 GMC Sierra 3500 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 3500 Automotive Lighting
2012 GMC Sierra 3500 Body Parts
2012 GMC Sierra 3500 Interior Accessories
2012 GMC Sierra 3500 Maintenance
2012 GMC Sierra 3500 Audio & Electronics
2012 GMC Sierra 3500 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 3500 Specifications
| Submodels | Work Truck, SLE, SLT, Denali | |
|---|---|---|
| Body Type | 2-doors Regular Cab 4-doors Extended Cab 4-doors Crew Cab 2/4-doors Chassis Cab | |
| Engine | 6.0 L V8 Vortec | 6.6 L V8 Duramax Turbo Diesel (L5P) |
| Fuel | Flex Fuel Vehicle (regular unleaded or E85) | DIESEL |
| Transmission | 6-Speed automatic | 6-speed automatic Allison 1000 Series |
| Drivetrain | RWD / 4WD | |
| Power HP | 360 hp @ 5,400 RPM | 397 hp @ 3,000 RPM |
| Torque (lb-ft / Nm) | 380 lb-ft @ 4,200 RPM / 515 Nm | 765 lb-ft @ 1,600 RPM / 1037 Nm |
| 0-60 | 6.7 sec | 6.5 sec |
| Top Speed | 100 mph | |
| Weight | 5985 - 6551 lbs | |
| GVWR | SRW (Single Rear Wheel) 10700 - 11000 lbs. DRW (Dual Rear Wheel) 13025 - 13400 lbs. | SRW (Single Rear Wheel) 11400 - 11600 lbs. DRW (Dual Rear Wheel) 13025 lbs. |
| Payload (Max.) RWD/4WD lbs. | Regular Cab SRW - 4625/4609 DRW - 7222/6876 Extended Cab SRW - 4459/4455 DRW - 6349/6068 Crew Cab SRW Standard Box - 4187/4190 SRW Long Box - 4308/4266 DRW - 6245/5914 Denali SRW - 4100/4078 Denali DRW - 6114/5786 | |
| Towing/Trailering lbs. | Regular Cab SRW - 13000/13000 DRW - 14100/13800 Extended Cab SRW - 13000/13000 DRW - 13600/13400 Crew Cab SRW Standard Box - 13000/13000 SRW Long Box -13000/13000 DRW - 13500/13200 Denali SRW - 13000/13000 Denali DRW -13400/13000 | Regular Cab SRW - N/A/13000 DRW - N/A/16000 Extended Cab SRW - 13000/13000 DRW - 16500/18000 Crew Cab SRW Standard Box - 13000/13000 SRW Long Box -13000/13000 DRW - 16500/18000 Denali SRW - 13000/13000 Denali DRW - 16500/18000 |
| Cargo Volume | Standard Box - 60.7 cu. ft. Long Box - 75.5 cu. ft | |
| Wheelbase | Regular Cab - 133.7 in. Extended Cab - 144.2 in. / 158.2 in. (Long Box) Crew Cab - 153.7 in. / 167.7 in. (Long Box) | |
| Bed Length | Standard Box: 78.9 in Long Box: 97.8 in | |
| Legroom | 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 | 80.1 in. | |
| Length | Regular Cab - 225.0 in. Extended Cab - 230.6 in. / 249.5 in. (Long Box) Crew Cab - 240.2 in. / 259.1 in. (Long Box) | |
| Height | Regular Cab - 77.5 - 77.6 in. Extended Cab - 77.6 - 77.9 in. Crew Cab - 78.1 - 78.3 in. | |
| Tire Size | LT245/75R17 10PR 7.5Jx17 ET44 LT265/70R17 10PR 7.5Jx17 ET44 LT265/70R18 10PR 8Jx18 ET44 LT265/60R20 10PR 8.5Jx20 ET44 | |
| Wheel Bolt Pattern | 8x180 | |
| Seats | Regular Cab - 3 Extended Cab - 5 (6) Crew Cab - 5 (6) | |
| EPA-estimated mpg | 12 combi | 15 combi |
| Brakes | 14 in dia. 4-wheel disc | |
| Suspension | Front: independent with torsion bar Rear: multileaf springs, semi-elliptic with urethane jounce bumpers | |
| Lights | Halogen Headlamps | |
| Tank Capacity | 36 gal | |
| 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 | |
| Safety / Security | Anti-lock brakes Front-impact airbags Pretensioners Security system | |