2026 GMC Sierra 2500HD Denali Ultimate

Vehicle Description

2026 GMC Sierra 2500HD Denali Ultimate 4WD for Sale in Mobridge, SD

The pinnacle of heavy-duty luxury arrives in this 2026 GMC Sierra 2500HD Denali Ultimate 4WD. The Duramax 6.6L Turbo-Diesel V8 pairs with the Allison 10-speed automatic to deliver enormous torque for towing the heaviest loads, while the top-tier Denali Ultimate trim adds the most exclusive materials and technology GMC offers. Finished in Downpour Metallic with an Alpine Umber interior and riding on 22-inch gloss-black wheels, this one-ton is a first-class way to work across South Dakota and North Dakota.

As the range-topping Denali Ultimate, this Sierra brings full leather appointments, a leather-wrapped steering wheel, animated LED lighting, and GMC's complete suite of driver-assist and trailering technology together in one commanding package.

2026 GMC Sierra 2500HD Denali Ultimate 4WD — Stock #6W144

• Drivetrain: Four-Wheel Drive (4WD) with 2-Speed AutoTrac Transfer Case and Hill Start Assist


• Engine: Duramax 6.6L Turbo-Diesel V8


• Transmission: Allison 10-Speed Automatic


• Exterior Color: Downpour Metallic


• Interior: Alpine Umber premium leather


• Packages: Denali Ultimate, with 22-inch gloss-black aluminum wheels


• Towing & Trailering: Max Trailering capability, trailering package, and vehicle trailering app


• Interior Comfort: Heated and ventilated front seats, heated rear outboard seats, leather-wrapped steering wheel, 60/40 rear folding bench, and driver memory settings


• Technology: 13.4-inch diagonal color touchscreen with Google built-in, 12.3-inch color driver information center, rear camera mirror, HD Surround Vision, and Bose premium audio


• Exterior Highlights: Animated LED headlamps, GMC MultiPro tailgate, LED cargo area lighting, and 22-inch gloss-black wheels

Expert Insights

According to Kelley Blue Book and Edmunds, the GMC Sierra 2500HD earns praise for its massive Duramax diesel torque, class-leading towing, and quiet, richly finished cabin. The Denali Ultimate tops the entire lineup with the most exclusive materials and features GMC builds.

Visit Beadle Chevrolet–GMC in Mobridge, SD

Come see this 2026 GMC Sierra 2500HD Denali Ultimate 4WD at Beadle Chevrolet–GMC in Mobridge, South Dakota. We serve customers from Aberdeen, SD, Bismarck, ND, and Pierre, SD — all within two hours. Call us at 605-845-7277 or visit beadleautogroup.com to schedule your test drive!