Redesigned for 2003, the GMC Sierra 3500 is a serious work truck. It features a standard 300 horsepower 6.0-liter gas-powered V8 with your choice of a 4-speed automatic or a 5-speed manual transmission and two or four wheel drive, depending on the model. Offered in Regular, Extended and Crew Cab body styles, in base, SLE and SLT trims, the Sierra 3500 comes equipped with dual rear wheels for added towing and hauling performance. Standard equipment includes dual zone auto climate control, cruise control, power accessories, AM/FM/CD and ABS brakes.
Select a 2003 GMC Sierra 3500 model/trim package