GMC Sierra Classic 3500 Extended CAB towing capacity by year

The GMC Sierra Classic 3500 Extended CAB has tow data across 2 model years, from 2000 through 2007. The most recent 2007 GMC Sierra Classic 3500 Extended CAB carries a maximum tow rating of 16,600 lb.

Pick a year below to open the full GMC Sierra Classic 3500 Extended CAB 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.

Recent GMC Sierra Classic 3500 Extended CAB years (2003–2007)

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

Older GMC Sierra Classic 3500 Extended CAB years (2000–2002)

Earlier model years for the GMC Sierra Classic 3500 Extended CAB, going back to 2000. 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.