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The 2004 Sierra 2500 HD Regular Cab 4WD is a 2-door, 3-passenger full size pickup, available in 3 trims, ranging from the Work Truck Long Box to the SLE Long Box. The 2004 Sierra 2500 HD Regular Cab 4WD's closest competitors include the Chevrolet Silverado 2500HD Extended Cab 4WD, the Dodge Ram 3500 Regular Cab 4X4, and the Ford F-350 SD SuperCab 4x4.
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 2004 Sierra 2500 HD Regular Cab 4WD is a carryover from 2003.
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