The 2014 GMC Sierra 1500 SLT is a rugged pickup truck with a 5.3L V8 engine, flex fuel capability, and a 6-speed automatic transmission. This 4x4 Crew Cab model features a 6.5-foot short bed, offering versatility and power for both work and recreation. This truck also has all new brakes and rotors as well as new R@R tires.