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2015 GMC Truck Sierra 1500 Regular Cab 4WD
The 2015 Sierra 1500 Regular Cab 4WD is a 2-door, 3-passenger PF, available in 4 trims, ranging from the Base Standard Box to the SLE Long Box.
Upon introduction, both trims are equipped with a standard 4.3-liter, V6, 285-horsepower engine that achieves 17-mpg in the city and 22-mpg on the highway. A 6-speed a transmission with overdrive is standard. See more... See Less