2020 GMC Sierra 2500HD 4WD Crew Cab Standard Bed Denali: Command the Road with Heavy-Duty Luxury

Experience the ideal balance of commercial-grade capability and high-end luxury with this 2020 GMC Sierra 2500HD 4WD Crew Cab Standard Bed Denali. Finished in striking Carbon Black Metallic over a Jet Black leather interior, this heavy-duty pickup offers a quiet, composed ride whether you are navigating daily routes around Oklahoma City or towing heavy equipment over long highway stretches. The Denali trim elevates every drive, blending robust mechanical engineering with exceptional interior craftsmanship. Take a look at our pre-owned truck selection to see how this Denali stands out among heavy-duty options.

Performance & Capability

Under the hood, this Sierra 2500HD is powered by a Duramax 6.6L V8 Turbodiesel engine paired with an Allison 10-Speed Automatic transmission. Featuring Four Wheel Drive and a 2-speed active transfer case, this truck provides confident traction across challenging terrain and shifting weather conditions. Equipped with the X31 Off-Road Package, it includes off-road suspension tuning, underbody skid plates, and Hill Descent Control. Hitching and towing are streamlined thanks to an integrated trailer brake controller, an engine exhaust brake, Hitch Guidance with Hitch View, and a dedicated Bed View Camera. Additional hardware including an automatic rear locking differential, 3.73 rear axle ratio, 220-amp alternator, engine block heater, and 20-inch multi-dimensional polished aluminum wheels wrapped in LT275/65R20 all-terrain tires ensures complete confidence when moving heavy loads. Feel free to explore our broader range of pre-owned inventory to compare capability options.

Technology & Connectivity

Inside the cabin, advanced technology keeps you connected, entertained, and fully aware of your surroundings. The Premium GMC Infotainment System features integrated navigation and an 8-inch primary touchscreen display, supporting seamless smartphone integration via Apple CarPlay and Android Auto. A multicolor 15-inch diagonal Head-Up Display projects vital driving data directly onto the windshield, while the Rear Camera Mirror provides a clear digital video feed of the area behind the truck. Audio is delivered through a Bose Premi