New 2026 Gmc Sierra 3500 HD AT4

Vehicle Details. 2026 GMC Sierra 3500 AT4 4WD — powerful capability and refined comfort meet in this heavy-duty diesel pickup located in Burlington, WI. Driven by a robust 6.6L V8 Duramax diesel and four-wheel drive, the GMC Sierra 3500 AT4 delivers exceptional towing and payload capacity while maintaining confident on-road manners. The rugged AT4 suspension, off-road-ready tires, and protected underbody components are matched by a refined interior featuring premium materials and advanced technology. Safety and convenience systems include Lane Departure Warning, Adaptive Cruise Control, Remote Start, and a Back-Up Camera to enhance driver awareness and make daily use easier. Audiophile-quality sound comes from the BOSE stereo, ensuring crisp audio whether commuting or towing. Inside, comfortable seating and versatile storage accommodate worksite gear and long-haul comfort alike. This 2026 GMC Sierra 3500 AT4 is competitively priced in Burlington, WI, and we are advertising the best price for this configuration—an outstanding value for a fully equipped diesel 3500. With its combination of towing muscle, off-road capability, and premium amenities, it's an ideal choice for contractors, fleet buyers, and enthusiasts who demand durability without sacrificing comfort. Contact us to schedule a test drive in Burlington and experience the capability and refinement of the GMC Sierra 3500 AT4 for yourself.

• Adaptive Cruise Control
• Bluetooth®
• Heated Steering Wheel
• Remote Start
• 4WD/AWD
• Android Auto
• Apple CarPlay
• Keyless Ignition System
• Leather Seats
• Wi-Fi Hotspot
• Emergency Brake Assist
• Lane Departure Warning
• Sunroof/Moonroof
• Wireless Phone Charging
• Blind Spot Monitor
• Forward Collision Warning
• Navigation System
• Parking Assistance
• Rear View Camera
• Automatic Climate Control
• Entertainment System

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