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2003 GMC Truck Sierra 1500 Regular Cab
The 2003 Sierra 1500 Regular Cab is a 2-door, 3-passenger full size pickup, available in 10 trims, ranging from the Work Truck Long Box 2WD to the SLE Long Box 4WD. The 2003 Sierra 1500 Regular Cab's closest competitors include the Chevrolet Silverado 1500 Extended Cab, the Ford F-150 Regular Cab 4x2, and the Toyota Tundra 4X4.
Upon introduction, the Work Truck Long Box 2WD is equipped with a standard 4.3-liter, V6, 200-horsepower engine that achieves 15-mpg in the city and 21-mpg on the highway. A 5-speed manual transmission with overdrive is standard, and a 4-speed automatic transmission with overdrive is optional. The SLE Long Box 4WD is equipped with a standard 4.8-liter, V8, 270-horsepower engine that achieves 14-mpg in the city and 18-mpg on the highway. A 4-speed automatic transmission with overdrive is standard.
The 2003 Sierra 1500 Regular Cab is freshened for 2003.
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