New 2026 GMC Sierra 2500 HD Denali Ultimate For Sale Old Saybrook, CO

Experience the ultimate in heavy-duty luxury with this new 2026 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD. Powered by a robust Duramax 6.6L Turbo-Diesel V8 (470hp/975 lb-ft), paired to an Allison 10-speed automatic, it's ready for the toughest jobs and smoothest drives. Enjoy advanced trailering features like ProGrade Trailering System, HD Surround Vision, and Trailer Sway Control, plus off-road capability with the X31 Off-Road Package and Rancho shocks. Inside, indulge in heated/ventilated leather front seats with massage, a 16-way power adjustment, a Bose Premium sound system, and a 13.4" GMC Infotainment touchscreen with wireless Apple CarPlay/Android Auto. Safety is top-notch with Forward Collision Alert, Lane Departure Warning, HD cameras, and more. The signature Denali Ultimate trim brings exclusive Vader Chrome accents, illuminated power side steps, and a MultiPro Tailgate. With just 75 miles on the odometer, this truck is ready to go to work or play, offering rugged capability and unmatched comfort. Contact us today to make it yours!