| Vehicle | Sub Model | Body | Engine |
|---|
| 2006 GMC Sierra 2500 HD | SL | | 8.1L V8 |
| 2006 GMC Sierra 2500 HD | SL | | 6.0L V8 |
| 2006 GMC Sierra 2500 HD | SL | Extended Cab Pickup | 6.0L V8 GAS |
| 2006 GMC Sierra 2500 HD | SL | Crew Cab Pickup | 8.1L V8 GAS |
| 2006 GMC Sierra 2500 HD | SL | Standard Cab Pickup | 6.0L V8 GAS |
| 2006 GMC Sierra 2500 HD | SL | Extended Cab Pickup | 8.1L V8 GAS |
| 2006 GMC Sierra 2500 HD | SL | Crew Cab Pickup | 6.0L V8 GAS |
| 2006 GMC Sierra 2500 HD | SL | Standard Cab Pickup | 8.1L V8 GAS |
| 2004-2008 GMC Sierra 2500 HD | WT | Extended Cab Pickup | 6.0L V8 GAS |
| 2004-2008 GMC Sierra 2500 HD | WT | Crew Cab Pickup | 6.0L V8 GAS |
| 2004-2006 GMC Sierra 2500 HD | WT | Extended Cab Pickup | 8.1L V8 GAS |
| 2004-2006 GMC Sierra 2500 HD | WT | Crew Cab Pickup | 8.1L V8 GAS |
| 2003-2008 GMC Sierra 2500 HD | SLT | Crew Cab Pickup | 6.0L V8 GAS |
| 2003-2008 GMC Sierra 2500 HD | SLT | Extended Cab Pickup | 6.0L V8 GAS |
| 2003-2008 GMC Sierra 2500 HD | WT | Standard Cab Pickup | 6.0L V8 GAS |
| 2003-2008 GMC Sierra 2500 HD | SLE | Crew Cab Pickup | 6.0L V8 GAS |
| 2003-2008 GMC Sierra 2500 HD | SLT | | 6.0L V8 |
| 2003-2008 GMC Sierra 2500 HD | SLE | Standard Cab Pickup | 6.0L V8 GAS |
| 2003-2008 GMC Sierra 2500 HD | SLE | | 6.0L V8 |
| 2003-2008 GMC Sierra 2500 HD | WT | | 6.0L V8 |
| 2003-2008 GMC Sierra 2500 HD | SLE | Extended Cab Pickup | 6.0L V8 GAS |
| 2003-2006 GMC Sierra 2500 HD | SLT | Extended Cab Pickup | 8.1L V8 GAS |
| 2003-2006 GMC Sierra 2500 HD | SLE | Standard Cab Pickup | 8.1L V8 GAS |
| 2003-2006 GMC Sierra 2500 HD | WT | | 8.1L V8 |
| 2003-2006 GMC Sierra 2500 HD | SLE | Extended Cab Pickup | 8.1L V8 GAS |
| 2003-2006 GMC Sierra 2500 HD | SLT | | 8.1L V8 |
| 2003-2006 GMC Sierra 2500 HD | WT | Standard Cab Pickup | 8.1L V8 GAS |
| 2003-2006 GMC Sierra 2500 HD | SLE | | 8.1L V8 |
| 2003-2006 GMC Sierra 2500 HD | SLE | Crew Cab Pickup | 8.1L V8 GAS |
| 2003-2006 GMC Sierra 2500 HD | SLT | Crew Cab Pickup | 8.1L V8 GAS |
| 2003-2005 GMC Sierra 2500 HD | Base | Standard Cab Pickup | 6.0L V8 GAS |
| 2003-2005 GMC Sierra 2500 HD | Base | | 8.1L V8 |
| 2003-2005 GMC Sierra 2500 HD | Base | Standard Cab Pickup | 8.1L V8 GAS |
| 2003-2005 GMC Sierra 2500 HD | Base | Crew Cab Pickup | 6.0L V8 GAS |
| 2003-2005 GMC Sierra 2500 HD | Base | Crew Cab Pickup | 8.1L V8 GAS |
| 2003-2005 GMC Sierra 2500 HD | Base | Extended Cab Pickup | 6.0L V8 GAS |
| 2003-2005 GMC Sierra 2500 HD | Base | Extended Cab Pickup | 8.1L V8 GAS |
| 2003-2005 GMC Sierra 2500 HD | Base | | 6.0L V8 |