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The 2003 Silverado 2500HD Regular Cab is a 2-door, 3-passenger full size pickup, available in 4 trims, ranging from the 2WD to the 4WD LS. The 2003 Silverado 2500HD Regular Cab's closest competitors include the Dodge Ram 3500 Quad Cab 4X2, the Ford F-350 SD SuperCab 4x2, and the GMC Sierra 3500 Regular Cab.
Upon introduction, both trims are equipped with a standard 6.0-liter, V8, 300-horsepower engine. A 5-speed manual transmission with overdrive is standard, and a 4-speed automatic transmission with overdrive is optional.
The 2003 Silverado 2500HD Regular Cab is freshened for 2003.