Onyx Black 2026 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Alpine Umber Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 220-Amp Alternator, Bed View Camera with Two Trailer Camera Provisions, Bose Premium Series 12-Speaker System, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Rain-Sensing Wipers, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seats, Hill Descent Control, Inside Rearview Auo-Dimming Rear Camera Mirror, Keyless Open and Start, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Multicolor 15"" Diagonal Head-Up Display, Off-Road Suspension, OnStar Services Capable, Power Front Passenger Windows with Express Up/Down, Power Sliding Rear Window with Defogger, Power Sunroof, Preferred Equipment Group 5SB, Push Button Start, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Signature Denali Ultimate Grille in Vadar Chrome, SiriusXM with 360L Trial Subscription, Snow Plow Prep/Camper Package, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Technology Package, Trailer Cam Provisions and Trailer Viewing Software, Trailer Side Blind Zone Alert, Trailer Tire Pressure Monitor Sensors, Ultrasonic Front and Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver and Front Passenger Seats, Wireless Charging, Wireless Phone Projection, X31 Off-Road Package.Also included with every new vehicle we sell: LIFETIME ""NO FEAR"" WARRANTY, FIRST OIL CHANGE, and AT HOME COURTESY DELIVERY! Call us for full details! We pride ourselves on honesty and integrity, but please note that mistakes or misprints due to human error are possible. Find out why our dealerships have won DealerRater.com DEALER OF THE YEAR a whopping 10 TIMES! Call, email, or live chat with one of our friendly sales professionals now to schedule your test drive! Prices shown do not include tax, title, registration and $599 service fees.