GMC Sierra Z71 2014 Automatic Gasoline mileage: 300 KM or more 4WD Sierra model 2014, mileage 333 thousand. It has full air suspension, AFE filter, American Racing headers, Xforce catback, Texas Speed Stage 2 camshafts, LS7 lifters with pushrods and double springs. Sports gear converter. It has a bed cover, hood lights, differential sliders, and ABS. It has Profender shocks and King lower control arms. The body has scattered paint due to scratches, not accidents. Price is by offer.