4-Speed Automatic with Overdrive, 4WD, Cloth. Recent Arrival! Black 2013 GMC Sierra 1500 4D Crew Cab SL Vortec 4.8L V8 SFI VVT Flex Fuel 4-Speed Automatic with Overdrive 4WD Awards: * JD Power Initial Quality Study Stop out to see over 450 Vehicles at Nourse Automall, Ross County's Volume Leader. Reviews: * If your towing needs run in the 7,000-10,000 pound range, a compact pickup isn't going to cut it; the full-size 2013 GMC Sierra, on the other hand, will. Models range from a basic Work Truck to the frugal 23-mpg Sierra Hybrid to the luxurious Denali. Source: KBB.com * Smooth, quiet ride; comfortable seats; powerful V8 options. Source: Edmunds
