Conquer the Road with the 2025 GMC Sierra 2500HD AT4X: Power Precision and Premium Features for the Discerning Canadian Driver The 2025 GMC Sierra 2500HD AT4X is a powerhouse designed for those who demand more from their truck. With its robust Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and 975 lb-ft of torque this truck is built for serious towing and hauling. The Allison 10-Speed Automatic transmission ensures smooth gear shifts optimizing performance whether you’re on the highway or navigating rugged terrain. The AT4X AEV Edition adds a rugged touch with AEV Stamped Steel bumpers and skid plates offering enhanced protection and durability. Its Thunderstorm Grey exterior paired with 18” AEV Salta Black Gloss Aluminum Wheels exudes a commanding presence. Inside the Obsidian Rush F interior features leather seats with seat-massage and memory functions ensuring a comfortable ride. Safety is paramount with advanced features like Blind Spot Monitor Lane Departure Warning and Front Collision Mitigation. The Gooseneck/5th Wheel Prep Package makes it perfect for heavy-duty towing. With Power Retractable Running Boards and an Integrated Tailgate Step accessibility and convenience are at your fingertips. The Sierra 2500HD AT4X is not just a truck; it’s your ultimate driving companion.