GMC Sierra 2013 mileage: 460 KM or more GMC Sierra 2013 Mileage / 460 Gear, engine, chassis, airbags are sound. Inspected and renewed. 4WD Equipped with a transmission cooler + Canadian oil pump. Engine service was done, original spark plugs and original spark plug wires were changed, and the throttle body was cleaned. 4 new shock absorbers were changed + upper control arms + sway bar links + sway bar bushings + shock absorber mounts. The body: the passenger door has paint only, and the rest of the body is sound and has modifications.