Buick Rainier towing capacity by year

The Buick Rainier has tow data across 4 model years, from 2004 through 2007. The most recent 2007 Buick Rainier carries a maximum tow rating of 5,800 lb. The highest tow rating recorded for the nameplate was the 2004 model year at 6,200 lb.

Pick a year below to open the full Buick Rainier 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.

Buick Rainier max tow rating, last 4 model years

Year-over-year max tow rating for the Buick Rainier, 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 Buick Rainier years (2003–2007)

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

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