 2011 Sierra Denali HD | 2011 Sierra 1500 | 2013 Sierra  |
These are standard specifications - not necessarily specifications for the vehicle(s) in the photo(s).
The 2012 GMC Sierra measures 79.96 inches in width, 205.60 inches in length, and has a wheelbase of 119.00 inches.
2012 GMC Sierra Specifications |
|
| Engine Location | Front |
| Drive Type | Rear Wheel (standard), 4WD |
| Production Years for Series | 2011 - 2013 |
| Weight | 4643 lbs | 2106.029 kg |
| MPG City | 15 |
| MPG Highway | 20 |
Engine Type : V6 4300 cc | 262.4 cu in. | 4.3 L.
195 HP (143.52 KW) @ 4600 RPM
260 Ft-Lbs (353 NM) @ 2800 RPM
Bore : 4.0 in | 102 mm.
Stroke : 3.5 in | 88 mm.
195 HP (143.52 KW) @ 4600 RPM
260 Ft-Lbs (353 NM) @ 2800 RPM
Bore : 4.0 in | 102 mm.
Stroke : 3.5 in | 88 mm.
Engine Type : V8 4800 cc | 292.9 cu in. | 4.8 L.
302 HP (222.272 KW) @ 5600 RPM
305 Ft-Lbs (414 NM) @ 4600 RPM
Bore : 3.8 in | 96 mm.
Stroke : 3.8 in | 96 mm.
302 HP (222.272 KW) @ 5600 RPM
305 Ft-Lbs (414 NM) @ 4600 RPM
Bore : 3.8 in | 96 mm.
Stroke : 3.8 in | 96 mm.
Engine Type : V8 5300 cc | 323.4 cu in. | 5.3 L.
315 HP (231.84 KW) @ 5200 RPM
335 Ft-Lbs (454 NM) @ 4400 RPM
Bore : 3.8 in | 96 mm.
Stroke : 3.6 in | 92 mm.
315 HP (231.84 KW) @ 5200 RPM
335 Ft-Lbs (454 NM) @ 4400 RPM
Bore : 3.8 in | 96 mm.
Stroke : 3.6 in | 92 mm.
Transmission:
4 Automatic Hydra-Matic 4L60
4 Automatic Hydra-Matic 4L60
| Gear Ratios | |
| 1st Gear | 4.03 |
| 2nd Gear | 2.36 |
| 3rd Gear | 1.53 |
| 4th Gear | 1.15 |
| 5th Gear | 0.85 |
| Dimensions | |
| Cargo Volume | 79 in |
| Towing Capacity | 9,100.0 lbs |
| Fuel Capacity | 26.0 Gal |
| Seating Capacity | 3 |
| Doors | 2 |
| Exterior | |
| Length | 205.6 in | 5222 mm. |
| Width | 80.0 in | 2031 mm. |
| Height | 73.6 in | 1869 mm. |
| Wheelbase | 119.0 in | 3023 mm. |
| Front Track | 68.1 in | 1730 mm. |
| Rear Track | 67.0 in | 1702 mm. |
| Ground Clearance | 7.7 in | 196 mm. |
| Interior | |
| Front Headroom | 41.5 in | 1054 mm. |
| Front Legroom | 41.3 in | 1049 mm. |
| Front Hip Room | 62.5 in | 1588 mm. |
| Front Shoulder Room | 65.2 in | 1656 mm. |
| Vehicles with similar dimensions | |
| Suspension | |
| Suspension | Front : Independent Coil-over-Shock; Monotube Shock Absorbers Rear : Solid Axle with Semi-Elliptic, Variable-Rate, Two-Stage Multi-Leaf Springs; Splayed Shock Absorbers; |
| Steering | |
| Power Assisted Rack and Pinion | |
| Steering Overall Ratio | 19.2:1 |
| Turns lock to lock | 3.50 |
| Turning Circle | 39.7 ft |
| Brakes | |
| Front Brakes | Front Disc |
| Rear Brakes | Rear Drum |
| Front Brake Size | 13.0 in | 330 mm. |
| Rear Brake Size | 11.6 in | 295 mm. |
| Tires / Wheels | |
| Tires | 17 x 7.5in Steel |
| Wheels | P245/70R17 All Season, Blackwall |
The 2012 GMC Sierra measures 79.96 inches in width, 205.60 inches in length, and has a wheelbase of 119.00 inches.
 2012
GMC
models |
| GMC Acadia |
| GMC Canyon |
| GMC Sierra 1500 |
| GMC Sierra Heritage Edition |
| GMC Sierra Hybrid |
| GMC Terrain |
| GMC Yukon |
| GMC Yukon Heritage Edition |
| Similar Automakers | |
| Cadillac | Chevrolet |
| Chrysler | Dodge |
| Ford | Hummer |
| Jeep | Lincoln |
| Mercury | Pontiac |
| Saturn | |
| GMC: 2011-2020 |
| Similar Automakers |
| Other models by GMC |
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| Acadia Colorado | Envoy Hy wire | Safari Savana | Silverado Sonoma | Tahoe Terrain | Typhoon |
| 2011 Sierra Denali HD | 2011 Sierra 1500 | 2013 Sierra |
