GMC Yukon XL 2012 Used Automatic Gasoline mileage: 1 KM 4WD Peace, mercy, and blessings of God be upon you. I am offering for sale a GMC Yukon, model 2012, double, long chassis. Mileage is 346,000 km, with a slight increase possible. The car has a light dent on the rear right fender, as shown, and is free from body filler and putty. The body is original.