CARFAX One-Owner. Clean CARFAX.*ONE OWNER*, *APPLECarPlay/ANDROID AUTO*, *SUNROOF/MOONROOF*, *LEATHER*, *BACK UP CAMERA*, Sierra 2500HD Denali, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Onyx Black, Jet Black Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge/Data USB Ports Inside Center Console, 2 Charge-Only Rear USB Ports, 2 USB Ports, 2-Speed Active Transfer Case, Adaptive Cruise Control, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Deep-Tinted Glass, Denali Reserve Package, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Rain-Sensing Wipers, GMC Connected Access Capable, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Heavy Duty Front Spring/Camper Package, Hill Descent Control, Inside Rearview Auto-Dimming Rear Camera Mirror, Integrated Trailer Brake Controller, Keyless Open & Start