2012 Automatic Gasoline mileage: 300 KM or more Peace, mercy, and blessings of God be upon you. GMC Sierra 2012, single cab. Without 4x4, 8 cylinders. Mileage: 522,000 km. 4-speed transmission. The engine is original but has a slight smoke. It consumes half a can of oil every 5,000 km. The transmission was disassembled for the transmission module. I think it needs programming for the clunk. Catalytic converters are removed. The car was fully repainted for cosmetic reasons. Chassis is sound, interior is original. The car's floor has been redone and all consumables replaced. It drives and runs without any issues. It has a new set of tires. Selling because I have a replacement car. Selling to the highest bidder. Contact via WhatsApp.