Description

2026 GMC Sierra 3500HD SLT Crew Cab 4WD Duramax for Sale in Mobridge, SD

Maximum heavy-duty capability meets premium comfort in this 2026 GMC Sierra 3500HD SLT Crew Cab 4WD Dually. The Duramax 6.6L Turbo-Diesel V8 pairs with an Allison 10-speed automatic to deliver enormous torque for towing and hauling the heaviest loads, while the dual-rear-wheel setup adds serious stability under load. Finished in Summit White with a Dark Walnut/Slate interior, this SLT one-ton is built to work hard for South Dakota and North Dakota ranchers, farmers, and contractors.

2026 GMC Sierra 3500HD SLT Crew Cab 4WD — Stock #6W132

• Drivetrain: Four-Wheel Drive (4WD), Dual Rear Wheel, with 2-Speed AutoTrac Transfer Case
• Engine: Duramax 6.6L Turbo-Diesel V8
• Transmission: Allison 10-Speed Automatic
• Exterior Color: Summit White
• Interior: Dark Walnut / Slate
• Packages: SLT Preferred Package, SLT Convenience Package
• Technology: Bose premium audio, trailer camera provisions, and trailering mirrors with auto-dim
• Capability: All-terrain tires, CornerStep rear bumper, hill start assist, and Sierra HD Pro Safety Plus

Visit Beadle Chevrolet–GMC in Mobridge, SD

Come see this 2026 GMC Sierra 3500HD SLT Crew Cab 4WD Duramax at Beadle Chevrolet–GMC in Mobridge, South Dakota. Call us at 605-845-7277 or visit beadleautogroup.com to schedule your test drive!