This 2026 GMC Yukon XL Denali 4WD pairs the Duramax 3.0L Turbo-Diesel engine with an electric 10-speed automatic, rated at 20 city and 24 highway MPG. The Max Trailering Package adds an integrated trailer brake controller, Hitch View, Blind Zone Steering Assist with Trailering and a 2-speed Autotrac transfer case. Super Cruise with Driver Attention Assist, a 16.8-inch infotainment system with integrated navigation, Bose 10-speaker surround sound, a Rear Seat Media System and a dual-pane panoramic power sunroof round out the cabin. Finished in Onyx Black over Jet Black, with 22-inch gloss black wheels. In stock at Temecula Valley Buick GMC in Temecula, CA. Stock G261219.