2025 GMC Sierra 2500

Introducing the 2025 GMC Sierra 2500HD Denali Ultimate, now available at Sam Boswell Buick GMC. This heavy-duty truck is engineered for those who demand uncompromising power and luxury. Under the hood, it boasts a 6.6L turbo-diesel V8 engine delivering 470 horsepower and 975 lb-ft of torque, enabling a maximum towing capacity of up to 22,500 pounds. Paired with a 10-speed automatic transmission and 4WD, it offers exceptional performance both on and off the road. Inside, the Denali Ultimate offers a refined cabin featuring full-grain leather seating with plaited stitching, 16-way power-adjustable front seats with massage functionality, and open-pore Paldao wood trim. The advanced 13.4-inch diagonal infotainment touchscreen supports Apple CarPlay and Android Auto integration, while the 12.3-inch digital driver information center provides essential vehicle data at a glance. Safety features include forward collision alert, automatic emergency braking, lane departure warning, and a 15-inch diagonal head-up display. With a starting price around $96,500, the Sierra 2500HD Denali Ultimate offers a blend of rugged capability and premium comfort. Sterling Metallic 2025 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/Data USB Ports Inside Center Console, 2 Charge-Only Rear USB Ports, 2 USB Ports, 2-Speed Active Transfer Case, Bed View Camera w/2 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 & 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, Power Front Passenger Windows w/Express Up/Down, Power Sliding Rear Window w/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 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, Trailer Tire Pressure Monitor Sensors, 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. Recent Arrival!