Clean CARFAX. The 2019 GMC Yukon XL SLT 4WD is the kind of SUV that does everything well without compromisemassive interior space, serious towing capability, and premium comfort wrapped in bold GMC styling. With seating for up to eight, a smooth and powerful V8 engine, and confident 4WD capability, its equally at home on snowy roads, long family road trips, or hauling boats and trailers on the weekend. The SLT trim adds upscale touches like leather-appointed seating, heated front and second-row seats, a premium Bose sound system, power-fold third-row seating, and advanced safety tech, making every drive feel first class. If you want a full-size SUV that combines luxury, utility, and proven durability, the Yukon XL SLT 4WD stands out as a vehicle built to handle real life while keeping everyone comfortable.. Price excludes tax, title & license.