The table below lists every trim of the 2015 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
Base 4x2 Regular Cab 6.6 ft. box 119 in. WB 285 305 3.23 6,100 6,500 4,521 1,979
SLE 4x2 Regular Cab 6.6 ft. box 119 in. WB 285 305 3.23 6,100 6,500 4,521 1,979
Base 4x2 Regular Cab 8 ft. box 133 in. WB 285 305 3.23 5,900 6,700 4,689 2,011
SLE 4x2 Regular Cab 8 ft. box 133 in. WB 285 305 3.23 5,900 6,700 4,689 2,011
Base 4x4 Regular Cab 6.6 ft. box 119 in. WB 285 305 3.42 7,600 6,700 4,749 1,951
SLE 4x4 Regular Cab 6.6 ft. box 119 in. WB 285 305 3.42 7,600 6,700 4,749 1,951
Base 4x4 Regular Cab 8 ft. box 133 in. WB 285 305 3.42 7,400 6,900 4,952 1,948
SLE 4x4 Regular Cab 8 ft. box 133 in. WB 285 305 3.42 7,400 6,900 4,952 1,948
Base 4x2 Double Cab 6.6 ft. box 143.5 in. WB 285 305 3.23 5,600 6,900 5,002 1,898
SLE 4x2 Double Cab 6.6 ft. box 143.5 in. WB 285 305 3.23 5,600 6,900 5,002 1,898
SLT 4x2 Double Cab 6.6 ft. box 143.5 in. WB 355 383 3.08 6,500 7,000 5,081 1,919
Base 4x4 Double Cab 6.6 ft. box 143.5 in. WB 285 305 3.42 7,200 7,100 5,216 1,884
SLE 4x4 Double Cab 6.6 ft. box 143.5 in. WB 285 305 3.42 7,200 7,100 5,216 1,884
SLT 4x4 Double Cab 6.6 ft. box 143.5 in. WB 355 383 3.08 6,200 7,200 5,313 1,887
Base 4x2 Crew Cab 5.75 ft. box 143.5 in. WB 285 305 3.23 5,600 6,900 5,073 1,827
SLE 4x2 Crew Cab 5.75 ft. box 143.5 in. WB 285 305 3.23 5,600 6,900 5,073 1,827
SLT 4x2 Crew Cab 5.75 ft. box 143.5 in. WB 355 383 3.08 6,400 7,000 5,149 1,851
Denali 4x2 Crew Cab 5.75 ft. box 143.5 in. WB 355 383 3.42 9,400 7,000 5,169 1,831
Base 4x4 Crew Cab 5.75 ft. box 143.5 in. WB 285 305 3.42 7,100 7,100 5,278 1,822
SLE 4x4 Crew Cab 5.75 ft. box 143.5 in. WB 285 305 3.42 7,100 7,100 5,278 1,822
SLT 4x4 Crew Cab 5.75 ft. box 143.5 in. WB 355 383 3.08 6,200 7,200 5,372 1,828
Denali 4x4 Crew Cab 5.75 ft. box 143.5 in. WB 355 383 3.42 9,200 7,200 5,352 1,848
Base 4x2 Crew Cab 6.5 ft. box 153.5 in. WB 285 305 3.23 5,500 6,900 5,162 1,738
SLE 4x2 Crew Cab 6.5 ft. box 153.5 in. WB 285 305 3.23 5,500 6,900 5,162 1,738
SLT 4x2 Crew Cab 6.5 ft. box 153.5 in. WB 355 383 3.08 6,400 7,000 5,242 1,758
Denali 4x2 Crew Cab 6.5 ft. box 153.5 in. WB 355 383 3.42 9,400 7,000 5,264 1,736
Base 4x4 Crew Cab 6.5 ft. box 153.5 in. WB 285 305 3.42 7,000 7,100 5,359 1,741
SLE 4x4 Crew Cab 6.5 ft. box 153.5 in. WB 285 305 3.42 7,000 7,100 5,359 1,741
SLT 4x4 Crew Cab 6.5 ft. box 153.5 in. WB 355 383 3.08 6,100 7,200 5,433 1,767
Denali 4x4 Crew Cab 6.5 ft. box 153.5 in. WB 355 383 3.42 9,100 7,200 5,456 1,744

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 2014

The 2014 GMC Sierra 1500 carried a maximum tow rating of 9,800 lb. The 2015 model is rated 400 lb lower — sometimes a real spec change, sometimes a re-test under a stricter standard like SAE J2807. See the 2014 GMC Sierra 1500 page for the full per-trim breakdown of the prior year.

Other 2015 GMC models

The rest of GMC's 2015 lineup, ranked by maximum tow rating. Click through for the per-trim breakdown of any of these.

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.