Specs - 2009 GMC Sierra 3500HD Technical Specifications
| Brakes | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Brake ABS System | 4-Wheel | 4-Wheel | 4-Wheel | 4-Wheel | 4-Wheel | 4-Wheel |
| Disc - Front (Yes or ) | Yes | Yes | Yes | Yes | Yes | Yes |
| Disc - Rear (Yes or ) | Yes | Yes | Yes | Yes | Yes | Yes |
| Front Brake Rotor Diam x Thickness (in) | 12.8 x 1.5 | 12.8 x 1.5 | 12.8 x 1.5 | 12.8 x 1.5 | 12.8 x 1.5 | 12.8 x 1.5 |
| Rear Brake Rotor Diam x Thickness (in) | 12.8 x 1.2 | 12.8 x 1.2 | 12.8 x 1.2 | 12.8 x 1.2 | 12.8 x 1.2 | 12.8 x 1.2 |
| Cargo Area Dimensions | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Cargo Box Width @ Wheelhousings (in) | 50.6 | 50.6 | 50.6 | 50.6 | 50.6 | 50.6 |
| Engine | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Displacement | 6.0L/366 | 6.0L/366 | 6.0L/366 | 6.0L/366 | 6.0L/366 | 6.0L/366 |
| Engine Type | Gas V8 | Gas V8 | Gas V8 | Gas V8 | Gas V8 | Gas V8 |
| SAE Net Horsepower @ RPM | 322 @ 4400 | 322 @ 4400 | 322 @ 4400 | 360 @ 5400 | 360 @ 5400 | 360 @ 5400 |
| SAE Net Torque @ RPM | 380 @ 4200 | 380 @ 4200 | 380 @ 4200 | 380 @ 4200 | 380 @ 4200 | 380 @ 4200 |
| Exterior Dimensions | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Height, Overall (in) | 76.0 | 76.0 | 76.0 | 76.0 | 76.0 | 76.0 |
| Wheelbase (in) | 157.5 | 157.5 | 157.5 | 157.5 | 157.5 | 157.5 |
| Width, Max w/o mirrors (in) | 95.9 | 95.9 | 95.9 | 95.9 | 95.9 | 95.9 |
| Fuel Tank | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Fuel Tank Capacity, Approx (gal) | 34 | 34 | 34 | 34 | 34 | 34 |
| Steering | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Steering Type | Pwr | Pwr | Pwr | Pwr | Pwr | Pwr |
| Turning Diameter - Curb to Curb (ft) | - TBD - | - TBD - | - TBD - | 52.5 | 52.5 | 52.5 |
| Tires | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Front Tire Size | LT225/75R17E | LT225/75R17E | LT225/75R17E | LT265/75R16E | LT265/70R17E | LT265/75R16E |
| Rear Tire Size | LT225/75R17E | LT225/75R17E | LT225/75R17E | LT265/75R16E | LT265/70R17E | LT265/75R16E |
| Transmission | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Drivetrain | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive |
| Trans Description Cont. | HD Automatic w/OD | HD Automatic w/OD | HD Automatic w/OD | HD Automatic w/OD | HD Automatic w/OD | HD Automatic w/OD |
| Trans Type | 6 | 6 | 6 | 6 | 6 | 6 |
| Vehicle | DRW SLE | DRW SLT | DRW Work Truck | SRW SLE | SRW SLT | SRW Work Truck |
|---|
| Front Head Room (in) | 41.2 | 41.2 | 41.2 | 41.2 | 41.2 | 41.2 |
| Front Leg Room (in) | 41.3 | 41.3 | 41.3 | 41.3 | 41.3 | 41.3 |
| Front Shoulder Room (in) | 65.2 | 65.2 | 65.2 | 65.2 | 65.2 | 65.2 |
| Passenger Capacity | 6 | 5 | 6 | 6 | 5 | 6 |
| Second Head Room (in) | 39.2 | 39.2 | 39.2 | 39.2 | 39.2 | 39.2 |
| Second Leg Room (in) | 34.3 | 34.3 | 34.3 | 34.3 | 34.3 | 34.3 |
| Second Shoulder Room (in) | 65.3 | 65.3 | 65.3 | 65.3 | 65.3 | 65.3 |