| See top fuel economy numbers for every Chevy brand | |
|---|---|
| Engines | EPA Estimated MPG City/Hwy. |
| Vortec 5.3L V8 (half-ton models only) | |
| 2WD | 14/20 (2008) |
| 4x4 | 14/19 (2008) |
| Vortec 6.0L V8 (half-ton models only) | |
| 2WD | N/A |
| 4x4 | N/A |
| Exterior (inches) | |
|---|---|
| Wheelbase | 130.0 |
| Length | 222.4 |
| Height (with luggage rack) | |
| 2WD | 76.8 |
| 4x4 | 76.8 |
| Width | 79.1 |
| Ground to rear load floor (liftover height) | |
| 2WD | 31.8 |
| 4x4 | 32.6 |
| Clearances (inches) | |
|---|---|
| Ground clearance (min.) | |
| 2WD, front | 10.5 |
| 2WD, rear | 9.1 |
| 4x4, front | 10.5 |
| 4x4, rear | 9.1 |
| Interior (inches) | |||
|---|---|---|---|
| Front | Middle | Rear | |
| Headroom | 41.1 | 38.5 | 38.1 |
| Legroom | 41.3 | 39.5 | 34.9 |
| Shoulder room | 65.3 | 65.2 | 64.7 |
| Hip room | 64.4 | 61.8 | 49.4 |
| Capacity | |
|---|---|
| Seating | 6–9 |
| Fuel (gal. approx.) | |
| Half-ton | 31 |
| Three-quarter-ton | 39 |
| Cargo (cu. ft.)1 | |
| Behind front row (third row removed, second row folded) | 137.4 |
| Behind second row (third row removed) | 90.0 |
| Behind third row | 45.8 |
| GVWR, standard (lbs.)2 | |
| Half-ton | |
| 2WD | 7,200 |
| 4x4 | 7,400 |
| Three-quarter-ton | |
| 2WD | 8,600 |
| 4x4 | 8,600 |
| Curb weight, estimated (lbs.) | |
| Half-ton | |
| 2WD | 5,687 |
| 4x4 | 5,935 |
| Three-quarter-ton | |
| 2WD | 6,179 |
| 4x4 | 6,447 |
1 Cargo and load capacity limited by weight and distribution.
2 Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, driver, passengers, optional equipment and cargo.
| Trailering |
|---|
| Not yet published |
| Type (power) | Four-wheel disc |
|---|---|
| Antilock system | Standard four-wheel |
| Vortec 5.3L V8 | Vortec 6.0L V8 | |
|---|---|---|
| RPO | LY5 | LY6 |
| Displacement (cu. in.) | 323 | 366 |
| Alternator rating (amps) | 160 | 160 |
| Battery (SAE rating, cca) | 600 | 600 |
| Horsepower @ RPM | 310 @ 5200 | 352 @ 5400 |
| Torque (lb.-ft.) @ RPM | 335 @ 4200 | 382 @ 4200 |
| Half-Ton | Three-Quarter-Ton | |
|---|---|---|
| Type (power) | rack-and-pinion | recirculating ball |
| Half-Ton | Three-Quarter-Ton | |
|---|---|---|
| RPO | MYC | MYD |
| First gear | 4.03 | 4.03 |
| Second gear | 2.36 | 2.36 |
| Third gear | 1.53 | 1.53 |
| Fourth gear | 1.15 | 1.15 |
| Fifth gear | .85 | .85 |
| Sixth gear | .67 | .67 |
| Reverse gear | 3.06 | 3.06 |
