GMC Sierra AT4 2021 Automatic Gasoline mileage: 100 KM 4WD GMC Sierra 2021 AT4 For sale, black GMC Sierra, fully loaded. Mileage 102k, can increase. From bumper to bumper, agency condition. Engine and transmission are guaranteed. Oil changed regularly with the best type of oil, Amsoil. Lifters and camshaft were changed due to the manufacturing defect (DOD). Modifications: It has Bose speakers, upper and lower, better than agency speakers, with the agency speakers available. Abu Salouh cat-back and Y-pipe with Tareq Al-Tamimi programming, with the agency cat-back available. It has a new set of tires and a new set of Kuwaiti tires. Oxid transmission cooler, 40k BTU. Fender delete kit, with original fenders available. Off-road traction control and bed light switch, and mirror lights from the vehicle's switches. Smootha air filter, saves you from changing the filter, you wash it and reuse it. The middle lifter was changed to a mattress. Agency floor mats are available. It has Oxid shocks for drifting, short stabilizer, and Oxid sway bar, with agency shocks, stabilizer, and sway bar available. Spacers are available but not installed. New towing wires with a small air pump.