| The 2007 GMC Truck Sierra 3500HD Regular Cab 4WD is a 2-door, 3-passenger full size pickup, available in 4 trims, ranging from the Work Truck Long Box DRW to the SLE1 Long Box SRW.
Upon introduction, the Work Truck Long Box DRW is equipped with a standard 6.0-liter, V8, 312-horsepower engine. The SLE1 Long Box SRW is equipped with a standard 6.0-liter, V8, 353-horsepower engine. A 6-speed automatic transmission with overdrive is standard on both trims.
The 2007 GMC Truck Sierra 3500HD Regular Cab 4WD is redesigned for 2007.
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