Meet the 2023 GMC Sierra 2500HD AT4, a capable heavy-duty truck engineered to handle demanding work and adventures with confidence and reliability. - Duramax 6.6L V8 Turbodiesel engine with 445 hp and 910 lb-ft of torque - 10-Speed Automatic transmission with 4WD - Gooseneck/5th Wheel Prep Package with bed view camera - AT4 Preferred Package with HD Surround Vision and dual trailer camera provisions - Driver Alert Package I with front and rear park assist and lane change alert - Premium GMC Infotainment System with navigation and Apple CarPlay/Android Auto - Bose Premium Audio System with SiriusXM 360L - Heated and ventilated front bucket seats with 10-way power adjustment - Heated rear seats and steering wheel - Wireless charging and Wi-Fi hotspot capability - 220-amp alternator and engine block heater for demanding conditions - Off-Road High Clearance Step and hill descent control - MUD-TERRAIN LT275/70R18 tires on 18 machined aluminum wheels This Sierra 2500HD delivers the power and capability you need. The Duramax diesel engine generates substantial torque for towing and hauling, while the 10-speed automatic transmission optimizes performance across various driving conditions. The 4WD system with 2-speed active transfer case and off-road suspension prepares you for challenging terrain and variable weather. The AT4 trim focuses on capability and comfort. The premium infotainment system keeps you connected with navigation, smartphone integration, and satellite radio. The Bose audio system delivers quality sound for your drive. Heated and ventilated front seats, along with heated rear seats, provide comfort in any season, while the wireless charging pad and multiple USB ports support your devices. Technology enhances both safety and utility. The HD Surround Vision system with trailer camera provisions gives you comprehensive awareness for maneuvering and towing. Front and rear park assist, lane change alert with side blind zone alert, and rear cross traffic alert provide additional confidence during everyday driving. The integrated trailer brake controller and in-vehicle trailering app support your towing needs. The gooseneck and fifth-wheel prep package marks this truck as ready for serious towing work. The hitch guidance with hitch view helps align trailers precisely. Red recovery hooks and the robust frame construction provide the durability expected of a 2500HD. The spray-on bed liner with AT4 logo protects your cargo area. Built for owners who demand capability without compromise, this Sierra 2500HD AT4 combines work-ready performance with thoughtful technology and comfort. Contact us today to schedule a test drive and experience what this truck can do for you.