2026 GMC Sierra 3500HD AT4 Crew Cab 4WD for Sale in Mobridge, SDMaximum capability meets off-road attitude in this 2026 GMC Sierra 3500HD AT4 Crew Cab 4WD. The Duramax 6.6L Turbo-Diesel V8 pairs with the Allison 10-speed automatic for enormous towing torque, with AT4 off-road hardware and skid plates. Finished in Summit White with a Jet Black interior with Kalahari accents.Engine: Duramax 6.6L Turbo-Diesel V8, Allison 10-Speed AutomaticDrivetrain: Four-Wheel Drive (4WD), 2-Speed AutoTrac, off-road/tow-haul modesInterior: Jet Black with Kalahari, heated/ventilated 10-way power bucketsCapability: Trailering package, trailer brake controller, 3.42 axle, skid plates, all-terrain tiresPackages: AT4 Preferred, Technology Package, Gooseneck/5th-Wheel PackageVisit Beadle ChevroletGMC in Mobridge, SDCome see this 2026 GMC Sierra 3500HD AT4 at Beadle ChevroletGMC in Mobridge, SD. Call us at 605-845-7277 or visit beadleautogroup.com.
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