GMC Sonoma Extended CAB towing capacity by year
The GMC Sonoma Extended CAB has tow data across 5 model years, from 1999 through 2003. The most recent 2003 GMC Sonoma Extended CAB carries a maximum tow rating of 5,600 lb. The highest tow rating recorded for the nameplate was the 2001 model year at 6,175 lb.
Pick a year below to open the full GMC Sonoma 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.
GMC Sonoma Extended CAB max tow rating, last 5 model years
Year-over-year max tow rating for the GMC Sonoma Extended CAB, 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 Sonoma Extended CAB years (1999–2003)
Click any year for the full per-trim breakdown — engine, drivetrain, horsepower, torque, axle ratio, GVWR, curb weight, and payload.
| Year | Trims on file | Max tow (lb) |
|---|---|---|
| 2003 GMC Sonoma Extended CAB | 2 | 5,600 |
| 2002 GMC Sonoma Extended CAB | 1 | 5,800 |
| 2001 GMC Sonoma Extended CAB | 1 | 6,175 |
| 2000 GMC Sonoma Extended CAB | 1 | 5,500 |
| 1999 GMC Sonoma Extended CAB | 1 | 5,500 |
All figures sourced from manufacturer documentation. See our methodology for how the dataset is compiled.