GMC Yukon XL 2001 Used Automatic Gasoline mileage: 240 KM 4WD Peace, mercy, and blessings of God be upon you. GMC Yukon XL, its condition is very good. As far as I know about the gearbox and engine, if there is anything hidden, God knows. I don't know. The body has had some minor issues. The car has been parked for a while. The mileage is around 240,000. May God grant us and you the best.