2005 GMC Sierra 1500 towing capacity
The 2005 GMC Sierra 1500 is published in 35 configurations, with tow ratings ranging from 3,800 to 8,100 lb depending on cab, bed, drivetrain, and hitch class. The peak figure (8,100 lb) sits in full-size truck and SUV territory.
The table below lists every trim of the 2005 GMC Sierra 1500 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 6.5 ft. box 119 in. WB | — | 195 | 260 | 3.23 | 3,900 | 6,100 | 4,225 | 1,875 |
| Base 4x2 Regular Cab 6.5 ft. box 119 in. WB | — | 195 | 260 | 3.23 | 3,900 | 6,100 | 4,225 | 1,875 |
| SLE 4x2 Regular Cab 6.5 ft. box 119 in. WB | — | 285 | 295 | 3.23 | 6,300 | 6,100 | 4,225 | 1,875 |
| Base 4x2 Regular Cab 8 ft. box 133 in. WB | — | 195 | 260 | 3.23 | 3,800 | 6,400 | 4,360 | 2,040 |
| SLE 4x2 Regular Cab 8 ft. box 133 in. WB | — | 285 | 295 | 3.23 | 6,200 | 6,400 | 4,360 | 2,040 |
| Work Truck 4x2 Regular Cab 8 ft. box 133 in. WB | — | 195 | 260 | 3.23 | 3,800 | 6,400 | 4,360 | 2,040 |
| Base 4x2 Extended Cab 6.5 ft. box 143.5 in. WB | — | 285 | 295 | 3.23 | 6,000 | 6,200 | 4,617 | 1,583 |
| SLE 4x2 Extended Cab 6.5 ft. box 143.5 in. WB | — | 285 | 295 | 3.23 | 6,000 | 6,200 | 4,617 | 1,583 |
| SLT 4x2 Extended Cab 6.5 ft. box 143.5 in. WB | — | 295 | 335 | 3.23 | 7,000 | 6,200 | 4,617 | 1,583 |
| Work Truck 4x2 Extended Cab 6.5 ft. box 143.5 in. WB | — | 285 | 295 | 3.23 | 6,000 | 6,200 | 4,617 | 1,583 |
| SLE Hybrid 4x2 Extended Cab 6.5 ft. box 143.5 in. WB | — | 295 | 335 | 3.23 | 6,000 | 6,200 | 4,617 | 1,583 |
| Base 4x4 Regular Cab 6.6 ft. box 119 in. WB | — | 285 | 295 | 3.42 | 7,000 | 6,200 | 4,523 | 1,677 |
| SLE 4x4 Regular Cab 6.6 ft. box 119 in. WB | — | 285 | 295 | 3.42 | 7,000 | 6,200 | 4,523 | 1,677 |
| Work Truck 4x4 Regular Cab 6.6 ft. box 119 in. WB | — | 285 | 295 | 3.42 | 7,000 | 6,200 | 4,523 | 1,677 |
| Base 4x4 Regular Cab 8 ft. box 133 in. WB | — | 285 | 295 | 3.42 | 6,900 | 6,400 | 4,661 | 1,739 |
| SLE 4x4 Regular Cab 8 ft. box 133 in. WB | — | 285 | 295 | 3.42 | 6,900 | 6,400 | 4,661 | 1,739 |
| Work Truck 4x4 Regular Cab 8 ft. box 133 in. WB | — | 285 | 295 | 3.42 | 6,900 | 6,400 | 4,661 | 1,739 |
| Base 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | 285 | 295 | 3.42 | 6,700 | 6,400 | 5,008 | 1,392 |
| SLE 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | 285 | 295 | 3.42 | 6,700 | 6,400 | 5,008 | 1,392 |
| SLT 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | 310 | 335 | 3.42 | 7,700 | 6,400 | 5,008 | 1,392 |
| Work Truck 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | 285 | 295 | 3.42 | 6,700 | 6,400 | 5,008 | 1,392 |
| SLE Hybrid 4x4 Extended Cab 6.6 ft. box 143.5 in. WB | — | 295 | 335 | 3.42 | 6,700 | 6,400 | 5,008 | 1,392 |
| Base 4x2 Extended Cab 8 ft. box 157.5 in. WB | — | 295 | 335 | 3.23 | 6,800 | 6,400 | 4,886 | 1,514 |
| SLE 4x2 Extended Cab 8 ft. box 157.5 in. WB | — | 295 | 335 | 3.23 | 6,800 | 6,400 | 4,886 | 1,514 |
| SLT 4x2 Extended Cab 8 ft. box 157.5 in. WB | — | 295 | 335 | 3.23 | 6,800 | 6,400 | 4,886 | 1,514 |
| Work Truck 4x2 Extended Cab 8 ft. box 157.5 in. WB | — | 295 | 335 | 3.23 | 6,800 | 6,400 | 4,886 | 1,514 |
| Base 4x4 Extended Cab 8 ft. box 157.5 in. WB | — | 295 | 335 | 3.42 | 7,600 | 6,400 | 5,185 | 1,215 |
| SLE 4x4 Extended Cab 8 ft. box 157.5 in. WB | — | 295 | 335 | 3.42 | 7,600 | 6,400 | 5,185 | 1,215 |
| SLT 4x4 Extended Cab 8 ft. box 157.5 in. WB | — | 295 | 335 | 3.42 | 7,600 | 6,400 | 5,185 | 1,215 |
| Work Truck 4x4 Extended Cab 8 ft. box 157.5 in. WB | — | 295 | 335 | 3.42 | 7,600 | 6,400 | 5,185 | 1,215 |
| SLE 4x2 Crew Cab 5.75 ft. box 143.5 in. WB | — | 295 | 335 | 3.23 | 6,700 | 6,800 | 4,986 | 1,814 |
| SLT 4x2 Crew Cab 5.75 ft. box 143.5 in. WB | — | 295 | 335 | 3.23 | 6,700 | 6,800 | 4,986 | 1,814 |
| SLE 4x4 Crew Cab 5.75 ft. box 143.5 in. WB | — | 295 | 335 | 3.42 | 7,400 | 7,000 | 5,299 | 1,701 |
| SLT 4x4 Crew Cab 5.75 ft. box 143.5 in. WB | — | 295 | 335 | 3.42 | 7,400 | 7,000 | 5,299 | 1,701 |
| Denali 4x4 Crew Cab 5.75 ft. box 143.5 in. WB | — | 345 | 380 | 4.1 | 8,100 | 7,000 | 5,430 | 1,570 |
How to interpret the headline tow figure
Tow ratings at this level are normally achievable with a conventional Class II or Class III receiver hitch. Always verify your vehicle has the manufacturer's tow package installed if you intend to tow at the upper end of the rating, and inspect the door-jamb sticker for the actual maximum permitted on your specific configuration.
How this year compares to 2004
The 2004 GMC Sierra 1500 carried a maximum tow rating of 10,000 lb. The 2005 model is rated 1,900 lb lower — sometimes a real spec change, sometimes a re-test under a stricter standard like SAE J2807. See the 2004 GMC Sierra 1500 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.