The 2003 GMC Sierra 1500 is available in Regular and Extended Cab body styles, with your choice of 4WD depending on the model, in Base, SLE, SLT and Work Truck trims. Under the hood, the Sierra is equipped with a standard 200 horsepower 4.3-liter gas-powered V6 in base models. Regular Cabs seat up to three passengers, Extended Cabs seat up to six. Standard equipment includes dual zone climate control, cruise control, power accessories, AM/FM/CD audio, running boards, intermittent wipers, rear window defogger, driver and passenger-side airbags and ABS brakes.
Select a 2003 GMC Sierra 1500 model/trim package