2025 GMC Sierra 2500

Power meets luxury in the 2025 GMC Sierra 2500HD Denali, now available at Sam Boswell Buick GMC! Equipped with a commanding 6.6L Duramax Turbo-Diesel V8 engine delivering up to 470 horsepower and a staggering 975 lb-ft of torque, this heavy-duty truck is built to handle the toughest jobs with ease. Whether you're towing heavy trailers or hauling massive loads, the Sierra 2500HD Denali's advanced towing technologies--like the ProGrade Trailering System and available Adaptive Air Ride Suspension--ensure maximum control and confidence on every drive. Its bold Denali grille, signature LED lighting, and refined 22-inch wheels make a strong statement wherever the road takes you. Step inside the luxurious cabin to experience top-tier comfort and technology. Premium leather-appointed seats with heating and ventilation, open-pore wood accents, and a massive 13.4-inch diagonal touchscreen with wireless Apple CarPlay and Android Auto put everything you need right at your fingertips. Safety and convenience features like Super Cruise hands-free driving, HD Surround Vision, and advanced driver assistance systems provide peace of mind on any journey. Ready to elevate your work and play? Visit Sam Boswell Buick GMC today and take the 2025 Sierra 2500HD Denali for a test drive! Summit White 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black 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, 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, 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, Keyless Open & Start, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Multicolor 15 Diagonal Head-Up Display, OnStar Services Capable, Polished Exhaust Tip, Power Front Passenger Windows w/Express Up/Down, Power Sliding Rear Window w/Defogger, Power Sunroof, Preferred Equipment Group 5SA, Push Button Start, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Signature Chrome Denali Grille, SiriusXM w/360L Trial Subscription, Spray-On Pickup Bedliner w/GMC Logo, Steering Wheel Audio Controls, Technology Package, Trailer Cam Provisions & Trailer Viewing Software, Trailer Side Blind Zone Alert, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wireless Charging, Wireless Phone Projection, X31 Off-Road Package. R