Conventional towing
Receiver-hitch trailer ratings published by GMC.
| Crew Cab | ||||||||
|---|---|---|---|---|---|---|---|---|
| Long Box | 2WD | DRW | 3.73 | 20,000 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Long Box | 2WD | SRW | 3.73 | 14,500 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Long Box | 4WD | DRW | 3.73 | 20,000 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Long Box | 4WD | SRW | 3.73 | 15,000 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Standard Box | 2WD | SRW | 3.73 | 13,000 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Standard Box | 4WD | SRW | 3.73 | 13,000 lbs | Not listed | No additional condition listed | p.18 | Exact |
Fifth-wheel / gooseneck towing
GMC publishes one shared rating for these hitch types in this source; the chart does not support splitting it into separate fifth-wheel and gooseneck values.
| Crew Cab | ||||||||
|---|---|---|---|---|---|---|---|---|
| Long Box | 2WD | DRW | 3.73 | 23,100 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Long Box | 2WD | SRW | 3.73 | 17,400 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Long Box | 4WD | DRW | 3.73 | 22,700 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Long Box | 4WD | SRW | 3.73 | 17,000 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Standard Box | 2WD | SRW | 3.73 | 17,500 lbs | Not listed | No additional condition listed | p.18 | Exact |
| Standard Box | 4WD | SRW | 3.73 | 17,200 lbs | Not listed | No additional condition listed | p.18 | Exact |