2026 GMC SIERRA 2500HD DENALI

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

Premium heavy-duty capability reaches its peak in this 2026 GMC Sierra 2500HD Denali Crew Cab 4WD. The available Duramax 6.6L Turbo-Diesel V8 pairs with the Allison 10-speed automatic to deliver enormous torque for towing and hauling the heaviest loads, while the flagship Denali cabin wraps it all in genuine leather, wood, and the latest technology. Finished in Downpour Metallic with an Atmosphere/Brownstone interior, this loaded three-quarter-ton is built for South Dakota and North Dakota ranchers, haulers, and families who refuse to compromise on comfort.

Optioned with the Denali Reserve Package, Technology Package, and Max Trailering Package, this Sierra brings a power sunroof, multi-color Head-Up Display, rear camera mirror, GMC MultiPro tailgate, and a 3500HD-grade frame and axle setup with gooseneck/fifth-wheel prep — making it one of the most fully equipped Denali HDs to come through the lot.

2026 GMC Sierra 2500HD Denali Crew Cab 4WD — Stock #6W137

• Drivetrain: Four-Wheel Drive (4WD) with 2-Speed AutoTrac Transfer Case and Auto-Locking Rear Differential
• Engine: Duramax 6.6L Turbo-Diesel V8
• Transmission: Allison 10-Speed Automatic
• Exterior Color: Downpour Metallic
• Interior: Atmosphere/Brownstone premium leather
• Packages: Denali Reserve Package, Technology Package, Max Trailering Package, and GMC Protection Package
• Towing & Trailering: Max Trailering Package, 3500HD frame with leaf springs and 12-inch rear axle, gooseneck/fifth-wheel prep, 3.42 rear axle, trailer brake controller, and 11,750 lb GVWR
• Interior Comfort: 12-way power front bucket seats, heated and ventilated front seats, heated rear outboard seats, wrapped and heated steering wheel, driver seat and mirror memory, and 60/40 rear folding bench with storage
• Technology: 13.4-inch diagonal color touchscreen with Google built-in and navigation, multi-color Head-Up Display, rear camera mirror, Bose premium sound, wireless charging, and 12.3-inch color driver information center
• Safety: Forward Collision Alert, Automatic Emergency Braking, Front Pedestrian Braking, Lane Departure Warning, IntelliBeam, HD Surround Vision, Front and Rear Park Assist, and Trailer Side Blind Zone Alert
• Exterior Highlights: Power sunroof, animated LED projector headlamps, chrome assist steps, power fold/extend and heated trailer mirrors, spray-on bedliner, power rear sliding window, and GMC MultiPro tailgate

Expert Insights

According to Kelley Blue Book and Edmunds, the GMC Sierra 2500HD is praised for its massive Duramax diesel torque, class-leading towing, and quiet, upscale cabin. The Denali trim tops the lineup with premium materials and the most comprehensive technology, delivering genuine luxury alongside serious work capability.

Visit Beadle Chevrolet–GMC in Mobridge, SD

Come see this 2026 GMC Sierra 2500HD Denali Crew Cab 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!