GMC Yukon XL 2007 Automatic Gasoline mileage: 300 KM or more Peace, mercy, and blessings of God be upon you. GMC Yukon 2007. Mileage: 311. Engines: Agency (original). Body: Agency (original) except for the front left fender and the bottom of the trunk door only, the rest is agency. Interior: New, with floor and seat covers since it left the agency. In short, the car is new and worth it. Please do not undervalue and bid via private message.