* ENGINE DURAMAX 6.6L TURBO-DIESEL V8 * * TRANSMISSION 10-SPEED AUTOMATIC * * AT4 PREMIUM PLUS PACKAGE * The 2026 GMC Sierra 3500HD AT4 in Fort St. John is here to redefine your expectations of a Crew Cab Pickup. Its powerful Duramax 6.6L Turbo-Diesel V8 engine churns out an impressive 470 horsepower and an astounding 975 lb-ft of torque, providing you with the confidence to tackle any task. Paired with a smooth 10-Speed Automatic transmission, this truck ensures a seamless and responsive driving experience. Enhance your adventures with the AT4 Premium Plus Package, which includes technology and features like a power sunroof and high clearance steps for those off-road escapades. The vehicle is equipped with a Gooseneck/5th Wheel Prep Package, perfect for your towing needs, and features like power-retractable assist steps for easy access. Inside, the Sierra 3500HD AT4 boasts a luxurious cabin with multi-zone climate control, leather seats, and a cutting-edge navigation system to guide your journeys. Enjoy the convenience of keyless entry and start, a heated steering wheel, and a premium sound system that elevates every drive. The advanced safety features, including lane departure warning, adaptive cruise control, and blind spot monitoring, ensure peace of mind on the road.