GMC Sierra 2012 Used Automatic Gasoline mileage: 300 KM or more Peace, mercy, and blessings of God be upon you. GMC Sierra 2012, 8 cylinders, black. Without 4x4. Mileage: 523,000 km, subject to increase. The vehicle has been fully repainted cosmetically. Interior of the vehicle is original. Chassis is sound. Engine is original, but it has a slight misfire and consumes half a quart every 5,000 km. Transmission: 4-speed. Regarding the transmission, I don't know for sure, but I suspect it needs reprogramming. The vehicle's mufflers have been emptied. The vehicle's undercarriage has been completely redone with new consumables. It has a new set of tires. I travel and go back and forth with it, praise be to God, it has no complaints. The vehicle is for sale by offer, and communication is by phone call.