GMC Sierra 2020 Used Automatic Gasoline mileage: 71 KM 4WD For sale, Sierra Double Cab, model 2020, black color, 8 cylinders. From Al-Jomaih. Free of paint, in agency condition without modification or programming. Driven 71,000 km. Light 4WD + Auto + Hill Descent Control + Trailer Towing System. Engine, gearbox, chassis, airbags, glass in agency condition. Clean body without paint, only a minor cosmetic modification of two fingers, not obvious, in front of the right rear tire. Sale with agency rims and new tires.