2023 GMC Sierra 3500 towing capacity
The 2023 GMC Sierra 3500 is published in 26 configurations, with tow ratings ranging from 14,500 to 20,000 lb depending on cab, bed, drivetrain, and hitch class. The peak figure (20,000 lb) sits in serious heavy-duty pickup territory.
The table below lists every trim of the 2023 GMC Sierra 3500 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 |
|---|---|---|---|---|---|---|---|---|
| Pro Pickup 2D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 14,500 | — | 6,528 | — |
| Pro Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 14,500 | — | 6,971 | — |
| Pro Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 7,352 | — |
| Pro Pickup 4D 6 1/2 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 6,947 | — |
| SLE Pickup 2D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 14,500 | — | 6,528 | — |
| SLE Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 14,500 | — | 6,971 | — |
| SLE Pickup 4D 8 ft | V8, Turbo Diesel, 6.6 Liter | 445 | 910 | — | 20,000 | — | 7,352 | — |
| SLE Pickup 4D 6 1/2 ft | V8, Turbo Diesel, 6.6 Liter | 445 | 910 | — | 20,000 | — | 6,947 | — |
| AT4 Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 7,064 | — |
| Denali Pickup 4D 6 1/2 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 6,947 | — |
| SLT Pickup 4D 6 1/2 ft | V8, Turbo Diesel, 6.6 Liter | 445 | 910 | — | 20,000 | — | 6,947 | — |
| SLT Pickup 4D 8 ft | V8, Turbo Diesel, 6.6 Liter | 445 | 910 | — | 20,000 | — | 7,352 | — |
| Denali Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 7,064 | — |
| AT4 Pickup 4D 6 1/2 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 6,947 | — |
| Pro Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 14,500 | — | 6,971 | — |
| SLE Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 14,500 | — | 6,971 | — |
| Pro Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 7,352 | — |
| Pro Pickup 4D 6 1/2 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 6,947 | — |
| SLE Pickup 4D 8 ft | V8, Turbo Diesel, 6.6 Liter | 445 | 910 | — | 20,000 | — | 7,352 | — |
| SLE Pickup 4D 6 1/2 ft | V8, Turbo Diesel, 6.6 Liter | 445 | 910 | — | 20,000 | — | 6,947 | — |
| AT4 Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 7,064 | — |
| Denali Pickup 4D 6 1/2 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 6,947 | — |
| SLT Pickup 4D 6 1/2 ft | V8, Turbo Diesel, 6.6 Liter | 445 | 910 | — | 20,000 | — | 6,947 | — |
| SLT Pickup 4D 8 ft | V8, Turbo Diesel, 6.6 Liter | 445 | 910 | — | 20,000 | — | 7,352 | — |
| Denali Pickup 4D 8 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 7,064 | — |
| AT4 Pickup 4D 6 1/2 ft | V8, 6.6 Liter | 401 | 464 | — | 20,000 | — | 6,947 | — |
How to interpret the headline tow figure
Tow figures this high require a gooseneck or fifth-wheel hitch installed in the bed of the truck, and a corresponding trailer setup. Conventional bumper-pull towing on the same vehicle is typically capped well below this number — usually under 15,000 lb. Always check the door-jamb sticker and owner's manual for the maximum permitted on each hitch class before hooking up.
How this year compares to 2022
The 2022 GMC Sierra 3500 carried a maximum tow rating of 21,210 lb. The 2023 model is rated 1,210 lb lower — sometimes a real spec change, sometimes a re-test under a stricter standard like SAE J2807. See the 2022 GMC Sierra 3500 page for the full per-trim breakdown of the prior year.
Other 2023 GMC models
The rest of GMC's 2023 lineup, ranked by maximum tow rating. Click through for the per-trim breakdown of any of these.
| Model | Max tow (lb) |
|---|---|
| 2023 GMC Sierra 3500 HD Crew CAB | 20,000 |
| 2023 GMC Sierra 2500 HD Crew CAB | 18,500 |
| 2023 GMC Sierra 2500 | 18,500 |
| 2023 GMC Sierra 3500hd | 16,000 |
| 2023 GMC Sierra 2500 HD Double CAB | 14,500 |
| 2023 GMC Sierra 2500 HD Regular CAB | 14,500 |
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.