2024 GMC Sierra 2500

The 2024 GMC Sierra 2500HD AT4 delivers uncompromising power, bold design, and exceptional off-road capabilityâall wrapped in the luxury and precision that define GMCâs professional-grade craftsmanship. Finished in a commanding exterior color that accentuates its muscular stance, this Sierra AT4 makes an immediate impression with its exclusive black chrome grille, red recovery hooks, and striking LED C-shaped headlamps. The raised off-road suspension, skid plates, and 18-inch machined aluminum wheels with all-terrain tires signal that this truck is built to perform wherever the roadâor trailâleads. The AT4âs monochromatic design with body-color bumpers, black accents, and signature badging gives it an athletic, rugged look thatâs as refined as it is capable. Powering the Sierra 2500HD AT4 is the legendary 6.6-liter Duramax Turbo-Diesel V8 engine delivering 470 horsepower and a staggering 975 lb-ft of torque, paired with an Allison 10-speed automatic transmission engineered for heavy-duty strength. This proven combination provides confident acceleration and massive towing capabilityâup to 18,500 pounds when properly equipped. The truckâs robust 4WD system, two-speed transfer case, and Off-Road Suspension Package with Rancho monotube shocks ensure optimal control and comfort on rough terrain. Hill Descent Control, an Eaton automatic locking rear differential, and the AT4âs higher ground clearance give you the confidence to tackle steep grades, muddy trails, and rocky paths with ease. Inside, the Sierra AT4 strikes a perfect balance between rugged durability and upscale comfort. The cabin features premium perforated leather-appointed seating with Jet Black and Kalahari accents, embroidered AT4 headrests, and heated and ventilated front seats for year-round comfort. The heated steering wheel, dual-zone automatic climate control, and 10-way power-adjustable front seats add convenience, while soft-touch materials and real aluminum trim showcase GMCâs attention to detail. The spacious Crew Cab design ensures generous rear legroom, providing comfort for passengers on long drives or jobsite commutes alike. Technology is front and center with a 13.4-inch diagonal GMC Premium Infotainment System featuring Google built-in, wireless Apple CarPlay, Android Auto, and navigation. A 12.3-inch digital driver information center delivers real-time vehicle data with crisp clarity, while the available Bose premium sound system fills the cabin with rich, immersive audio. Additional tech features like wireless charging, multiple USB-C ports, remote start, and a Wi-Fi hotspot make every drive both connected and convenient. For towing, GMCâs ProGrade Trailering System with up to 14 camera views and Hitch Guidance ensures precision and safety with every haul. Safety and driver confidence come standard with GMCâs advanced driver-assistance features. The AT4 includes Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, Fol