This 2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159' combines robust capability with refined style, finished in Titanium Rush Metallic and featuring a Jet Black interior accented with Kalahari. Powered by a Duramax 6.6L Turbo-Diesel V8 engine, it delivers strong performance suited for demanding tasks. Equipped with advanced safety technologies, this Sierra includes Forward Collision Alert, Front Pedestrian Braking, Automatic Emergency Braking, and Lane Departure Warning, enhancing driver confidence on every journey. The Multicolor 15' Diagonal Head-Up Display provides essential information clearly, allowing you to stay focused on the road. IntelliBeam Automatic High Beam control ensures optimal visibility in varying lighting conditions. Comfort is elevated with perforated leather-appointed front seats, offering premium support and style. The truck's towing capabilities are enhanced by features like Hitch Guidance with Hitch View and the In-Vehicle Trailering System App, making maneuvering and monitoring trailers easier. Additional rugged utility is provided by Hill Descent Control, which aids in maintaining control on steep or uneven terrain. This Sierra 2500HD AT4 blends advanced technology, comfort, and dependable power, making it a well-rounded choice for work and everyday driving needs.