Fairfield's Autos, located in beautiful Keene, NH, and serving the New Hampshire, Vermont, Massachusetts, and New England region. Our experienced sales staff is eager to share its knowledge and enthusiasm with you. They'll work with you to find the right vehicle at a price you can afford. Come on in and take a test drive! Please call (603) 352-7700.This 2026 GMC Sierra 2500HD AT4X is a true powerhouse, designed to tackle any challenge with unparalleled capability and refined comfort. Featuring a robust Duramax 6.6L V8 Turbodiesel engine, this truck delivers an impressive 470 horsepower and a staggering 975 lb-ft of torque, ensuring you have the muscle to conquer any task.- 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater) (470 hp 350.5 kW @ 2800 rpm, 975 lb-ft of torque 1322 Nm @ 1600 rpm)- 12 Speakers- Bose Premium Series 12-Speaker System- Premium audio system: Premium GMC Infotainment System- Heads-Up Display- Off-Road Suspension- Spray-on Pickup Bedliner with GMC Logo- Wireless Charging- Heated and Ventilated Front Seats- Heated Rear SeatsDesigned with the discerning driver in mind, this Sierra 2500HD AT4X offers a wealth of premium features that elevate the driving experience. From the advanced Heads-Up Display to the luxurious Bose audio system, every detail has been thoughtfully crafted to provide you with unparalleled comfort and convenience.The off-road-focused AT4X trim takes this truck to new heights, with a specialized suspension and a host of rugged features that empower you to conquer any terrain. Whether you're tackling challenging job sites or embarking on thrilling adventures, this Sierra 2500HD is ready to rise to the occasion.Boasting a striking white exterior and a spacious, well-appointed cabin, this Sierra 2500HD AT4X is a true standout in its class. The premium leather seating, heated and ventilated for maximum comfort, and the advanced technology features, including wireless charging and a cutting-edge infotainment system, ensure that every journey is a pleasure.With its exceptional capability, refined design, and impressive list of features, this 2026 GMC Sierra 2500HD AT4X is the ultimate choice for those seeking a truck that can handle any task with confidence and style. Experience the power and luxury of this remarkable vehicle by scheduling a test drive at Fairfield's Autos today. We're confident you'll be impressed by its uncompromising performance and exceptional value.