2023 GMC Yukon SLT. 2023 GMC Yukon SLT New Price! Certified. 2023 GMC EcoTec3 5.3L V8 Yukon 10-Speed Automatic with Overdrive 4WD ***6 YEAR 100,000 MILE WARRANTY***, ***Includes two sets of keys and a full tank of gas Upon Delivery***, 2 Presets For Power Driver Seat,... via AutoRevolution