2026 GMC Sierra 2500 HD Crew Cab, Standard Bed, Denali Ultimate, 4WD - Premium Heavy-Duty Performance
The 2026 GMC Sierra 2500 HD Crew Cab, Standard Bed, Denali Ultimate, 4WD delivers heavy-duty towing capability and quiet luxury for drivers in Oklahoma City seeking all-weather confidence. Powered by a Duramax 6.6L V-8 direct injection, intercooled turbo, diesel, engine with 470HP paired with an Allison 10-Speed Automatic transmission, this premium truck provides effortless muscle and smooth road manners whether hauling heavy loads or cruising open highways.
Bold Exterior Styling and Utility
Finished in Sterling Metallic, this truck stands out with its signature Denali Ultimate grille in Vadar Chrome, dark chrome accents, and body-colored bumpers. Equipped with 20-inch ultra-bright machined aluminum wheels, LED smoked amber roof marker lamps, LED daytime running lights, and a spray-on pickup bedliner with GMC logo, it combines eye-catching design with rugged practicality. Power-extendable trailer mirrors and the Gooseneck/5th Wheel Prep Package ensure you are ready for any towing task.
Premium Interior and Advanced Technology
Inside, the Alpine Umber interior features full-grain leather seat trim with genuine wood and aluminum panel inserts. Heated and ventilated front bucket seats with massaging controls deliver high-end comfort, while heated second-row outboard seats keep passengers cozy. A 13.4-inch primary touchscreen with the GMC Infotainment System, multicolor 15-inch diagonal head-up display, and Bose Premium Series 12-speaker audio system keep you connected and entertained. Safety features like HD Surround Vision with Hitch View, Trailer Side Blind Zone Alert, and Lane Departure Warning provide continuous confidence.
Key Highlights
Key features for this heavy-duty luxury truck include:
- Duramax 6.6L V-8 Direct Injection Turbo-Diesel Engine with 470HP - Massive heavy-duty power
- Allison 10-Speed Automatic Transmission - Smooth, intuitive power delivery
- Denali Ultimate Equipment Group - Exclusive Vadar Chrome exterior and full-grain leather cabin
- Spray-on Pickup Bedliner with GMC Logo - Tough, long-lasting bed protection
- Gooseneck/5th Wheel Prep Package - Factory-installed trailering capability
- Heated and Ventilated Front Seats with Massage Function - First-class comfort for long drives
- Multicolor 15-inch Diagonal Head-Up Display - Projects driving details directly onto the windshield
- Bose Premium Series 12-Speaker System - High-definition interior audio
Visit Us
Experience this exceptional heavy-duty truck at Joe Cooper Chevrolet Cadillac GMC, located at 4920 Automall Dr, Shawnee, OK 74804. You can apply for financing online or see what your trade is worth before visiting our showroom