| Year: | 2006 | |
| Make: | GMC | |
| Model: | Sierra 3500 | |
| Engine: | 6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 | |
| Transmission: | 4 Speed Automatic 6 Speed Allison Automatic |
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| There are 2 possible sub models: | SLE Crew Cab 4x4 SL Crew Cab 4x4 |
50% 50% |
| Year: | 2006 |
| Make: | GMC |
| Model: | Sierra 3500 |
| Sub Model: | SLE Crew Cab 4x4 |
| Engine: | 6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 |
| Transmission: | 6 Speed Allison Automatic |
| Year: | 2006 |
| Make: | GMC |
| Model: | Sierra 3500 |
| Sub Model: | SL Crew Cab 4x4 |
| Engine: | 6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 |
| Transmission: | 4 Speed Automatic |