2025 GMC Sierra 2500HD Denali White 4WD Duramax 6.6L V8 Turbodiesel Recent Arrival! CARFAX One Owner. "¢ 6.6L V8 turbo diesel engine with 10-speed automatic transmission and four-wheel drive. "¢ Power sunroof and running boards. "¢ Adaptive cruise control and lane departure warning. "¢ Heated and cooled front seats, plus heated rear seats. "¢ Premium sound system and Wi"‘Fi hotspot. "¢ Trailering package with tow hitch. "¢ Gooseneck / 5th wheel prep package for gooseneck or 5th wheel hitch setup. "¢ ProGrade Trailering System with hitch guidance, hitch view, and in-vehicle trailering app. "¢ X31 Off-Road Package. "¢ Backup camera and aerial view camera system. "¢ Rear parking sensors and cross-traffic alert. "¢ Front collision warning and front collision mitigation. "¢ Power driver and passenger seats with adjustable lumbar support. "¢ Driver memory seat and mirror memory. "¢ Multi-zone climate control and remote engine start. "¢ Heated power-folding mirrors with integrated turn signals. "¢ Bed liner, tow hooks, and integrated tailgate step. "¢ Rain-sensing wipers, automatic high beams, and fog lamps. "¢ Exhaust brake, engine block heater, high idle switch, and 220-amp alternator.