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

Experience unmatched capability and luxury with this new 2026 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD. Powered by the formidable Duramax 6.6L Turbo-Diesel V8 (470hp, 975 lb-ft), paired with a 10-speed Allison automatic transmission, it's ready for any challenge. The X31 Off-Road Package, off-road suspension, skid plates, and hill descent control make it trail-ready, while the MultiPro Tailgate, spray-on bedliner, and integrated bed step simplify every job. Inside, enjoy premium leather, massaging front seats, heated and ventilated seating, Bose Premium Series audio, a 13.4" touchscreen with Google Built-In, and a 15" multicolor head-up display. Stay secure with Sierra HD Pro Safety, HD Surround Vision cameras, and Trailer Side Blind Zone Alert. Adaptive cruise, sunroof, wireless charging, and illuminated power side steps complete the Denali Ultimate experience. Only 1 mile on the odometer-this truck is ready to go to work or tow in style.