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2004 GMC Truck Sierra 2500 HD Extended Cab 4WD
The 2004 Sierra 2500 HD Extended Cab 4WD is a 4-door, up to 6-passenger full size pickup, available in 8 trims, ranging from the Work Truck Short Box to the SLT Long Box. The 2004 Sierra 2500 HD Extended Cab 4WD's closest competitors include the Chevrolet Silverado 2500HD Crew Cab 4WD, the Chevrolet Silverado 3500 Regular Cab 4WD, 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 4-speed automatic transmission with overdrive is standard, and a 5-speed manual transmission with overdrive is optional.
The 2004 Sierra 2500 HD Extended Cab 4WD is a carryover from 2003.
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