Yukon XL Denali, 4D Sport Utility, Vortec 6.2L V8 SFI VVT, 6-Speed Automatic HD Electronic with Overdrive, AWD, and Ebony Leather. There are used SUVs, and then there are SUVs like this well-taken care of 2014 GMC Yukon XL. This luxury vehicle has it all, from a posh interior to a wealth of great features. If you want a creampuff with style, this is it. When H2O starts showing up in the weather forecast, you'll appreciate the AWD power delivery that helps you take control of the elements.