Introducing the new 2025 GMC Sierra 3500HD Crew Cab Long Box AT4, a powerful and versatile truck designed for both work and play. Finished in eye-catching Volcanic Red Tintcoat, this vehicle makes a bold statement while the interior combines Jet Black with Kalahari accents for a refined yet rugged look. At the heart of the Sierra is a formidable 6.6L Duramax Turbo-Diesel engine, expertly paired with a 10-speed automatic transmission to deliver exceptional power and efficiency. Whether you’re hauling heavy loads or navigating challenging terrains, this truck is engineered to perform. The included trailering package enhances its capabilities, featuring hitch view, trailer side blind zone alert, and a trailer brake controller for seamless towing experiences. Safety and convenience are paramount in the Sierra 3500HD. Rear cross traffic alert, HD surround vision, and front and rear park assist make maneuvering this truck easier than ever. Automatic emergency braking and front pedestrian braking ensure that you stay safe on the road, providing peace of mind in any driving situation. Inside, the Sierra is equipped with heated and ventilated seats for ultimate comfort, along with a heated steering wheel and heated second-row seating to keep all passengers cozy. Adaptive cruise control enhances your driving experience on long trips, while wireless charging ensures your devices stay powered. The exterior features include power folding and extending heated outside mirrors, 20 Black Aluminum wheels that add a touch of style, and the innovative GMC Multipro Tailgate, which offers multiple configurations for convenience. A power sliding rear window and a power sunroof further enhance the overall driving experience, allowing you to enjoy the open air. Stock Number: T4165563 *AMVIC Licensed Dealer