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2005 GMC Truck Sierra 2500HD Extended Cab 4WD
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The 2005 Sierra 2500HD 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.
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 2005 Sierra 2500HD Extended Cab 4WD is a carryover from 2004.
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