GMC Sierra 3500 towing capacity by year

The GMC Sierra 3500 has tow data across 27 model years, from 1999 through 2025. The most recent 2025 GMC Sierra 3500 carries a maximum tow rating of 31,500 lb. The nameplate has been in continuous production long enough to span the pre-SAE J2807 and post-J2807 eras of towing capacity testing.

Pick a year below to open the full GMC Sierra 3500 page for that model year. Each year page shows the maximum tow capacity, every trim the dataset covers separately, the engine and drivetrain combination, GVWR, curb weight, payload, and axle ratio.

GMC Sierra 3500 max tow rating, last 5 model years

Year-over-year max tow rating for the GMC Sierra 3500, with the most recent year highlighted. Use the trend to spot generation changes, powertrain refreshes, and SAE J2807 re-tests that revised the published figure.

Recent GMC Sierra 3500 years (2021–2025)

Click any year for the full per-trim breakdown — engine, drivetrain, horsepower, torque, axle ratio, GVWR, curb weight, and payload.

Older GMC Sierra 3500 years (1999–2020)

Earlier model years for the GMC Sierra 3500, going back to 1999. Pre-2015 ratings predate SAE J2807, so figures from those years may be measured under different assumptions than current ratings.

All figures sourced from manufacturer documentation. See our methodology for how the dataset is compiled.