2025 GMC Sierra 2500 HD Denali Ultimate

From the dealer

2025 GMC Sierra 2500HD Denali Ultimate 4WD — Duramax Diesel Power, Ultimate Luxury & Heavy-Duty Capability Command the road and the jobsite with this 2025 GMC Sierra 2500HD Denali Ultimate, finished in striking Summit White with an upscale Alpine Umber Full-Grain Leather interior. With 31,090 miles, this premium heavy-duty pickup combines the legendary strength of the Duramax 6.6L V8 Turbodiesel with sophisticated luxury, advanced technology, and serious 4WD capability. The 6.6L Duramax Turbodiesel is paired with a responsive 10-speed automatic transmission, while the 220-amp alternator, dual heavy-duty 70-amp batteries, block heater, and Off-Road Suspension provide the hardware and confidence to take on demanding conditions. Key Features Duramax 6.6L V8 Turbodiesel 4WD 10-Speed Automatic Transmission 31,090 Miles Denali Ultimate Trim Summit White Exterior Alpine Umber Full-Grain Leather Interior 20 Ultra-Bright Machined Aluminum Wheels Power Sunroof Spray-On Bedliner with GMC Logo LED Cargo Area Lighting LED Smoked Amber Roof Marker Lamps Bose Premium Series 12-Speaker Audio System Premium GMC Infotainment System SiriusXM with 360L Universal Home Remote 16-Way Power Driver Seat with Lumbar 16-Way Power Passenger Seat with Lumbar Driver Memory Settings Auto-Dimming Rear Camera Mirror 120-Volt Instrument Panel Power Outlet Rear USB Charge Ports Keyless Open & Start Push-Button Start Hill Descent Control Lane Departure Warning Off-Road Suspension 220-Amp Alternator Dual Heavy-Duty 70-Amp Batteries Engine Block Heater Traction Control OnStar Connected Services Duramax Strength Wrapped in Denali Ultimate Luxury The Denali Ultimate takes heavy-duty capability to an entirely different level. Inside, you'll find Alpine Umber full-grain leather, 16-way power front seats with lumbar adjustments, driver memory settings, an auto-dimming rear camera mirror, and premium connectivity. The Bose 12-speaker audio system and premium GMC infotainment system provide an exceptional experience whether you're heading across town or across the country. The exterior combines unmistakable Denali presence with practical truck upgrades, including 20-inch ultra-bright machined aluminum wheels, a power sunroof, spray-on bedliner, LED cargo lighting, and smoked amber roof marker lamps. And beneath the luxury is serious HD capability. The Duramax 6.6L V8 Turbodiesel, 4WD, 10-speed automatic transmission, Off-Road Suspension, heavy-duty batteries, high-output alternator, and block heater make this Sierra ready for demanding work and challenging conditions. 31,090 miles | Duramax 6.6L V8 Turbodiesel | 4WD | Denali Ultimate | Full-Grain Leather | 20 Wheels | Power Sunroof | Spray-On Bedliner | Bose 12-Speaker Audio | 16-Way Power Seats | Rear Camera Mirror Built for serious work. Finished for serious luxury. This 2025 GMC Sierra 2500HD Denali Ultimate delivers the power, technology, and premium craftsmanship to stand above the rest.