This 2021 GMC Sierra 2500HD AT4 represents a capable work truck built for serious demands, offering the reliability and performance expected from GMC's heavy-duty lineup. - Duramax 6.6L V8 Turbodiesel engine with 445 hp and 910 lb-ft of torque - Gooseneck/5th Wheel Prep Package with integrated trailer brake controller - Bed View Camera with two trailer camera provisions - 20" machined aluminum wheels with high gloss black accents - Heated and ventilated front bucket seats with perforated leather trim - Premium GMC Infotainment System with Apple CarPlay and Android Auto compatibility - SiriusXM 360L satellite radio with HD Radio capability - 4G LTE Wi-Fi hotspot capable - 2-Speed Active Transfer Case with electronic shift - Off-road suspension tuned for rough terrain - Spray-on pickup box bed liner with AT4 logo - 220-amp alternator and heavy-duty 80-amp battery - Remote vehicle starter system and keyless open and start - Hitch guidance with integrated trailering system app This Sierra 2500HD comes finished in white exterior, presenting a clean, professional appearance suited for both work sites and daily driving. The AT4 trim emphasizes capability with an off-road suspension setup and winter grille cover, demonstrating GMC's commitment to all-season performance. The truck carries one owner history, providing assurance of its maintenance and care. Inside, the cabin prioritizes comfort and control. The 10-way power driver and passenger seats with lumbar support accommodate long drives, while heated and ventilated front seats along with heated rear outboard seats ensure comfort across seasons. The tilt and telescoping steering wheel adjusts to your preferred driving position, and the memory seat function recalls your settings automatically. The 10-speed automatic transmission paired with the turbodiesel engine delivers the power needed for towing while maintaining efficiency. The integrated trailer brake controller and hitch guidance system with hitch view camera simplify the process of connecting and maneuvering trailers. This combination makes the Sierra 2500HD a practical choice for those who value capability without sacrificing convenience. Technology features throughout the cabin keep you connected and informed. The 4.2-inch diagonal color driver information center displays key vehicle data, while multiple USB ports charge devices on the go. Blind spot and rear-view cameras enhance visibility, and electronic stability control with traction control provides confidence in varying road conditions. Whether you are buying from down the street or across the country, we make taking delivery of your next vehicle simple and stress-free. Our finance department works with a vast network of national and local lenders to secure competitive rates for all credit tiers whether your credit is flawless or you are working on rebuilding it. Plus, for our out-of-state buyers, we offer nationwide shipping solutions to deliver your vehicle straight to your driveway. Distance and credit shouldn't stand between you and the right vehicle, and our team is here to handle every detail from paperwork to delivery.