Dealer Discount of $893 off MSRP Onyx Black 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Sierra 2500HD Denali, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 4WD, Jet Black Leather, Denali Reserve Package, Gooseneck/5th Wheel Prep Package, Hill Descent Control, Inside Rearview Auto-Dimming Rear Camera Mirror, Max Trailering Package, Multicolor 15'' Diagonal Head-Up Display, Power Sunroof, Technology Package, X31 Off-Road Package, 12-Way Power Driver Seat Adjuster w/Lumbar, 12-Way Power Passenger Seat Adjuster w/Lumbar, 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, 3.42 Axle Ratio, 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system, Floor-Mounted Center Console, Following Distance Indicator, Forge Perforated Leather-Appointed Front Seat Trim, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Pedestrian Braking, Front Rain-Sensing Wipers, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Genuine wood dashboard insert, Genuine wood door panel insert, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated door mirror