XL 2026 Automatic Gasoline GMC Yukon XL 2026 new for sale Automatic transmission Gasoline GMC Yukon Al-Fashn Model 2026/ Engine 5.3/ 8 Cylinder Four-wheel drive system Electric front seats Heated leather seats Electric rear seats Front and rear sensors Refrigerator SOS system Remote start Rear armrest Central air conditioning Rear air conditioning Electric trunk Large front screen 360 cameras Radar Electric mirrors Lane assist Collision warning Smart entry fingerprint Front and rear LED headlights Auto park