GMC Sierra Z71 2012 Automatic Gasoline mileage: 300 KM or more 4WD Peace be upon you GMC Sierra 2012 Gear, engine are original. The engine was disassembled and a new oil pump and connecting rod were installed. The body had an accident on the right side. The trunk and door were replaced, and the pillar between the door and the trunk was repaired. The airbags on the right and left sides were deployed. The rear glass has been replaced. The car has Bilstein shocks and a 40,000 BTU transmission cooler. It has a 6-speed transmission, and the transmission has been programmed to act like a 4-speed, even though it is a 6-speed. The car is in excellent condition, and the interior is in excellent condition. Only serious buyers should contact me. The car's mileage is 420,000. The car is ready for transfer.