GMC Sierra 2015 Used Automatic Gasoline mileage: 298 KM For sale: GMC single cab without double. The body is original, white. Inspected. Engine: lifters, spark plugs, spark plug wires, and injectors changed, cleaned and tuned. Regarding the lifters, it's known that these models have a lifter noise that comes and goes. The front windshield was changed for the periodic inspection. Tires and battery were recently changed.