GMC Sierra SLE 2007 Automatic Gasoline mileage: 300 KM or more 4WD Sierra 2007, mileage 635, can be increased. The car has been overhauled and has an electronic Borla muffler. Sports valve. The 4x4 is working, no complaints. The body is fully repainted for cosmetic purposes. Tires are half-worn. Airbags have not deployed. Chassis is sound. Transmission has not been overhauled. Engine has not been opened. The car is capable for the user. (Selling to the highest bidder) I have no set price.