2026 GMC Sierra 3500HD AT4

Find your next vehicle with confidence at Rob Green GMC in Twin Falls. From hard-working trucks and family-ready SUVs to affordable daily drivers, our pre-owned inventory is selected to give Magic Valley shoppers real value, strong options, and a better way to buy used.

This 2026 GMC Sierra 3500HD AT4 delivers premium truck capability with a legendary Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission. With just 8,000 miles and finished in striking black, this 4WD powerhouse combines the rugged X31 Off-Road Package with refined comfort and advanced safety technology. The AT4 trim elevates the experience with premium touches and versatile features built for both work and weekend adventures.

Key Features:
- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD
- X31 Off-Road Package with 2-Speed Active Transfer Case and Hill Descent Control
- Bose Premium 7-Speaker Sound System with SiriusXM 360L Trial Subscription
- Premium GMC Infotainment System with 13.4 Diagonal Display
- Heated and Ventilated Leather Driver and Passenger Seats
- Wireless Phone Projection and Wireless Charging
- HD Surround Vision with Bed View Camera and Trailer Provisions
- Automatic Emergency Braking and Forward Collision Alert
- Ultrasonic Front and Rear Park Assist with Hitch Guidance
- 20 High Gloss Black 8-Spoke Aluminum Wheels with Spray-on Bedliner

This Sierra 3500HD is loaded with modern conveniences and safety features. Front and rear heated seats, and a heated steering wheel keep occupants comfortable in any season. The advanced camera system provides multiple viewing angles, while lane departure warning, rear cross traffic alert, and trailer side blind zone alert enhance confidence on every drive. The automatic high-beam headlights and rain-sensing wipers add practical technology for daily driving.

Visit Rob Green GMC today to experience this exceptional truck firsthand and explore financing options tailored to your needs.

When you choose Rob Green GMC, you're choosing a locally owned dealership that works hard to make the used vehicle shopping experience simple, transparent, and enjoyable. Our team is here to help with vehicle information, trade values, financing options, and support long after the sale. We proudly serve Twin Falls, Burley, Boise, Jerome, Kimberly, Pocatello, and drivers across the Magic Valley. Contact Rob Green GMC in Twin Falls, Idaho today to schedule your test drive.