6.6L Duramax Turbo-Diesel V8 configurations
| Crew Cab / Long Box / 2WD / DRW | 6.6L Duramax Turbo-Diesel V8 | 3.73 | Conventional: 20,000 lbsFifth-wheel / gooseneck (combined by GMC): 23,100 lbs | Not listedNot listed | No additional row condition listed | p.18 | Exact |
| Crew Cab / Long Box / 2WD / SRW | 6.6L Duramax Turbo-Diesel V8 | 3.73 | Conventional: 14,500 lbsFifth-wheel / gooseneck (combined by GMC): 17,400 lbs | Not listedNot listed | No additional row condition listed | p.18 | Exact |
| Crew Cab / Long Box / 4WD / DRW | 6.6L Duramax Turbo-Diesel V8 | 3.73 | Conventional: 20,000 lbsFifth-wheel / gooseneck (combined by GMC): 22,700 lbs | Not listedNot listed | No additional row condition listed | p.18 | Exact |
| Crew Cab / Long Box / 4WD / SRW | 6.6L Duramax Turbo-Diesel V8 | 3.73 | Conventional: 15,000 lbsFifth-wheel / gooseneck (combined by GMC): 17,000 lbs | Not listedNot listed | No additional row condition listed | p.18 | Exact |
| Crew Cab / Standard Box / 2WD / SRW | 6.6L Duramax Turbo-Diesel V8 | 3.73 | Conventional: 13,000 lbsFifth-wheel / gooseneck (combined by GMC): 17,500 lbs | Not listedNot listed | No additional row condition listed | p.18 | Exact |
| Crew Cab / Standard Box / 4WD / SRW | 6.6L Duramax Turbo-Diesel V8 | 3.73 | Conventional: 13,000 lbsFifth-wheel / gooseneck (combined by GMC): 17,200 lbs | Not listedNot listed | No additional row condition listed | p.18 | Exact |