This 2018 GMC Yukon XL SLE is proudly offered by Cowboy Chevrolet Buick GMC Want more room? Want more style? This GMC Yukon XL is the vehicle for you. There's a level of quality and refinement in this GMC Yukon XL that you won't find in your average vehicle. The look is unmistakably GMC, the smooth contours and cutting-edge technology of this GMC Yukon XL SLE will definitely turn heads. Based on the superb condition of this vehicle, along with the options and color, this GMC Yukon XL SLE is sure to sell fast.