If you need a full-size SUV with real space and premium comfort, this used 2020 GMC Yukon XL Denali 4WD checks the right boxes. The window sticker lists a 6.2L V8 with a 10-speed automatic , plus 4WD capability with a 2-speed transfer case and towing-ready hardware including a trailer brake controller and trailer sway control . Inside, Denali equipment focuses on comfort and road-trip convenience: heated ventilated front seats , heated second-row seats , tri-zone climate , navigation , wireless charging , head-up display , and Bose Centerpoint surround sound , plus a power-folding third row for flexible cargo space.