XL 2004 Automatic Gasoline mileage: 299 KM 4WD Peace, mercy, and blessings of God be upon you. We have parts for a 2004 Yukon. Any part is available: alternator, window motor, computer, and many more. For contact and inquiries: Mobile number/( Phone number appears when clicking the contact button ) Mobile number/( Phone number appears when clicking the contact button ) Welcome everyone.