SLE 2007 Automatic Gasoline The car is very clean, American engine changed, and the gearbox has been overhauled. The inspection is renewed, and a set of tires, suspension bushings, and shock absorbers. GMC Yukon SLE 2007 used for sale. Automatic transmission Gasoline The car is very clean, American engine changed, and the gearbox has been overhauled. The inspection is renewed, and a set of tires, suspension bushings, and shock absorbers. There is a power steering box leak, and I have previously repaired it.