2008 GMC Sierra 3500HD trims (38)
(Work Truck) 4x2 Extended Cab 8 ft. box 157.5 in. WB SRW
| MSRP | $28,840 |
| Engine | 6.0L V-8 |
| MPG | city / hwy |
(Work Truck) 4x2 Extended Cab 8 ft. box 157.5 in. WB DRW
| MSRP | $29,455 |
| Engine | 6.0L V-8 |
| MPG | city / hwy |
(Work Truck) 4x4 Extended Cab 8 ft. box 157.5 in. WB SRW
| MSRP | $31,985 |
| Engine | 6.0L V-8 |
| MPG | city / hwy |
(Work Truck) 4x4 Extended Cab 8 ft. box 157.5 in. WB DRW
| MSRP | $32,605 |
| Engine | 6.0L V-8 |
| MPG | city / hwy |