The 2023 GMC Sierra 3500HD AT4 4WD Crew Cab Pickup is built for power, capability, and off-road performance. Equipped with a robust Duramax 6.6L V8 Turbo Diesel engine paired with a 10-speed automatic transmission, this heavy-duty truck delivers exceptional towing capacity and torque, making it ideal for hauling trailers, boats, or heavy equipment. Its advanced 4WD system, off-road suspension, and skid plates provide rugged durability, ensuring optimal performance on challenging terrains. The AT4 trim is designed for adventure, featuring an aggressive exterior with black chrome accents, red recovery hooks, and 18-inch machined aluminum wheels wrapped in all-terrain tires. LED headlamps, fog lights, and taillights enhance visibility while adding to the truck’s commanding presence. The Crew Cab configuration provides a spacious interior, offering premium comfort for both driver and passengers. Inside, boasts high-end materials, leather-appointed seating, and heated and ventilated front seats for all-weather comfort. The driver-centric cockpit includes a large touchscreen infotainment system with Apple CarPlay, Android Auto, Bluetooth connectivity, and a premium Bose sound system for an immersive audio experience. The truck also includes multiple USB ports, wireless charging, and a configurable digital driver display for easy access to key vehicle information. This heavy-duty pickup comes with advanced towing technology, including an integrated trailer brake controller, trailer sway control, and a multi-camera system that provides up to 15 different views, including a transparent trailer view. The GMC MultiPro Tailgate offers six functions for added convenience, making loading and unloading cargo easier than ever. Safety is a top priority in the 2023 GMC Sierra 3500HD AT4, with features like forward collision alert, lane departure warning, blind-spot monitoring, and rear cross-traffic alert to enhance driver awareness and protection. Parking sensors and a high-definition surround-view camera system further assist with maneuvering in tight spaces.