2005 GMC Sierra 2500hd towing capacity
The 2005 GMC Sierra 2500hd is published in 38 configurations, with tow ratings ranging from 9,600 to 10,600 lb depending on cab, bed, drivetrain, and hitch class. The peak figure (10,600 lb) sits in half-ton plus / heavy-duty truck territory.
The table below lists every trim of the 2005 GMC Sierra 2500hd with the engine, drivetrain, axle ratio, horsepower, torque, GVWR, curb weight, and payload that go with that trim's headline tow rating. Manufacturers often publish more than one tow figure per truck — a conventional bumper-hitch rating, a weight-distributing rating, and a gooseneck or fifth-wheel rating — so the highest number here is the maximum across all hitch classes the source carries for the trim.
Per-trim breakdown
| Configuration | Engine | HP | Torque | Axle | Tow (lb) | GVWR | Curb | Payload |
|---|---|---|---|---|---|---|---|---|
| Work Truck 4x2 Regular Cab 8 ft. box 133 in. WB | — | — | — | — | 10,600 | — | 5,177 | 4,023 |
| Base 4x2 Regular Cab 8 ft. box 133 in. WB | — | — | — | — | 10,600 | — | 5,177 | 4,023 |
| SLE 4x2 Regular Cab 8 ft. box 133 in. WB | — | — | — | — | 10,600 | — | 5,177 | 4,023 |
| Base 4x2 Extended Cab 6.6 ft. box 143.5 in. WB | — | — | — | — | 10,300 | — | 5,404 | 3,796 |
| SLE 4x2 Extended Cab 6.6 ft. box 143.5 in. WB | — | — | — | — | 10,300 | — | 5,404 | 3,796 |
| SLT 4x2 Extended Cab 6.6 ft. box 143.5 in. WB | — | — | — | — | 10,300 | — | 5,404 | 3,796 |
| Work Truck 4x2 Extended Cab 6.6 ft. box 143.5 in. WB | — | — | — | — | 10,300 | — | 5,404 | 3,796 |
| Base 4x2 Extended Cab 8 ft. box 157.5 in. WB | — | — | — | — | 10,100 | — | 5,561 | 3,639 |
| SLE 4x2 Extended Cab 8 ft. box 157.5 in. WB | — | — | — | — | 10,100 | — | 5,561 | 3,639 |
| SLT 4x2 Extended Cab 8 ft. box 157.5 in. WB | — | — | — | — | 10,100 | — | 5,561 | 3,639 |
| Work Truck 4x2 Extended Cab 8 ft. box 157.5 in. WB | — | — | — | — | 10,100 | — | 5,561 | 3,639 |
| Base 4x2 Crew Cab 6.6 ft. box 153 in. WB | — | — | — | — | 10,100 | — | 5,630 | 3,570 |
| SLE 4x2 Crew Cab 6.6 ft. box 153 in. WB | — | — | — | — | 10,100 | — | 5,630 | 3,570 |
| SLT 4x2 Crew Cab 6.6 ft. box 153 in. WB | — | — | — | — | 10,100 | — | 5,630 | 3,570 |
| Work Truck 4x2 Crew Cab 6.6 ft. box 153 in. WB | — | — | — | — | 10,100 | — | 5,630 | 3,570 |
| Base 4x2 Crew Cab 8 ft. box 167 in. WB | — | — | — | — | 9,900 | — | 5,768 | 3,432 |
| SLE 4x2 Crew Cab 8 ft. box 167 in. WB | — | — | — | — | 9,900 | — | 5,768 | 3,432 |
| SLT 4x2 Crew Cab 8 ft. box 167 in. WB | — | — | — | — | 9,900 | — | 5,768 | 3,432 |
| Work Truck 4x2 Crew Cab 8 ft. box 167 in. WB | — | — | — | — | 9,900 | — | 5,768 | 3,432 |
| Base 4x4 Regular Cab 8 ft. box 133 in. WB | — | — | — | — | 10,300 | — | 5,437 | 3,763 |
| SLE 4x4 Regular Cab 8 ft. box 133 in. WB | — | — | — | — | 10,300 | — | 5,437 | 3,763 |
| Work Truck 4x4 Regular Cab 8 ft. box 133 in. WB | — | — | — | — | 10,300 | — | 5,437 | 3,763 |
| Base 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | — | — | — | 10,000 | — | 5,664 | 3,536 |
| SLE 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | — | — | — | 10,000 | — | 5,664 | 3,536 |
| SLT 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | — | — | — | 10,000 | — | 5,664 | 3,536 |
| Work Truck 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | — | — | — | 10,000 | — | 5,664 | 3,536 |
| Base 4x4 Extended Cab 8 ft. box 157.5 in. WB | — | — | — | — | 9,900 | — | 5,846 | 3,354 |
| SLE 4x4 Extended Cab 8 ft. box 157.5 in. WB | — | — | — | — | 9,900 | — | 5,846 | 3,354 |
| SLT 4x4 Extended Cab 8 ft. box 157.5 in. WB | — | — | — | — | 9,900 | — | 5,846 | 3,354 |
| Work Truck 4x4 Extended Cab 8 ft. box 157.5 in. WB | — | — | — | — | 9,900 | — | 5,846 | 3,354 |
| Base 4x4 Crew Cab 6.6 ft. box 153 in. WB | — | — | — | — | 9,800 | — | 5,907 | 3,293 |
| SLE 4x4 Crew Cab 6.6 ft. box 153 in. WB | — | — | — | — | 9,800 | — | 5,907 | 3,293 |
| SLT 4x4 Crew Cab 6.6 ft. box 153 in. WB | — | — | — | — | 9,800 | — | 5,907 | 3,293 |
| Work Truck 4x4 Crew Cab 6.6 ft. box 153 in. WB | — | — | — | — | 9,800 | — | 5,907 | 3,293 |
| Base 4x4 Crew Cab 8 ft. box 167 in. WB | — | — | — | — | 9,600 | — | 6,049 | 3,151 |
| SLE 4x4 Crew Cab 8 ft. box 167 in. WB | — | — | — | — | 9,600 | — | 6,049 | 3,151 |
| SLT 4x4 Crew Cab 8 ft. box 167 in. WB | — | — | — | — | 9,600 | — | 6,049 | 3,151 |
| Work Truck 4x4 Crew Cab 8 ft. box 167 in. WB | — | — | — | — | 9,600 | — | 6,049 | 3,151 |
How to interpret the headline tow figure
Ratings in this range are typically achievable with a weight-distributing hitch and the appropriate tow package. The conventional bumper-pull rating without weight distribution will be lower than the headline figure shown here — usually 5,000 to 8,000 lb. Confirm the hitch class on your vehicle's door-jamb sticker before towing at the upper end.
How this year compares to 2002
The 2002 GMC Sierra 2500hd carried a maximum tow rating of 13,200 lb. The 2005 model is rated 2,600 lb lower — sometimes a real spec change, sometimes a re-test under a stricter standard like SAE J2807. See the 2002 GMC Sierra 2500hd page for the full per-trim breakdown of the prior year.
Other 2005 GMC models
The rest of GMC's 2005 lineup, ranked by maximum tow rating. Click through for the per-trim breakdown of any of these.
| Model | Max tow (lb) |
|---|---|
| 2005 GMC Sierra 2500 HD Crew CAB | 12,000 |
| 2005 GMC Sierra 2500 HD Extended CAB | 12,000 |
| 2005 GMC Sierra 2500 HD Regular CAB | 12,000 |
| 2005 GMC Sierra 3500 Crew CAB | 12,000 |
| 2005 GMC Sierra 3500 Extended CAB | 12,000 |
| 2005 GMC Sierra 3500 Regular CAB | 12,000 |
All figures sourced from manufacturer documentation. See our methodology for how the dataset is compiled. Always confirm against your vehicle's door-jamb sticker before towing.