Here is the advertisement for the 2025 GMC Sierra 2500HD AT4: This powerful 2025 GMC Sierra 2500HD AT4 is ready to take on any challenge. With its rugged Duramax 6.6L V8 Turbodiesel engine and capable 4WD system, this truck is built to conquer the toughest terrain. - Off-Road Suspension - 2-Speed Active Transfer Case - HD Surround Vision - Trailer Cam Provisions & Trailer Viewing Software - X31 Off-Road Package - Hill Descent Control This Sierra 2500HD AT4 also comes equipped with a wealth of premium features to keep you comfortable and connected, including: - Bose Premium 7-Speaker Sound System - Heated and Ventilated Front Seats - Heated Rear Outboard Seats - Wireless Charging - Wireless Phone Projection With only 15,750 miles, this like-new Sierra 2500HD AT4 is an exceptional find. Experience the uncompromising capability and refined luxury that define this remarkable truck. Discover the power and versatility of the 2025 GMC Sierra 2500HD AT4. Schedule a test drive today and make this rugged workhorse your own.