GMC Yukon 2012 Automatic Gasoline mileage: 300 KM or more Yukon XL 2012 without double gear. The engine has no issues, praise be to God. Inspected and renewed. Mileage 340. The body is original except for approximately two or three pieces that have been repainted. Chassis and airbags are guaranteed. The car is a great find for the user. All seats have been upholstered, as have the floors. It has been offered 30k by those who have tested and inspected it.