* ENGINE DURAMAX 6.6L TURBO-DIESEL V8 * * TRANSMISSION 10-SPEED AUTOMATIC * * TECHNOLOGY PACKAGE * Discover the 2026 GMC Sierra 3500HD AT4, a true powerhouse crafted for those who demand the best from their vehicles in Fort St. John. The heart of this rugged beauty is the *Duramax 6.6L Turbo-Diesel V8* engine, offering an impressive 470 horsepower and 975 lb-ft of torque, ensuring that no task is too tough. Coupled with a seamless *10-Speed Automatic* transmission, you'll experience smooth and controlled power delivery under any condition. For those who love convenience and cutting-edge technology, the *Technology Package* is a highlight, featuring a Multicolour 15 Diagonal Head-Up Display that keeps vital information directly in your line of sight, ensuring you can focus on the road ahead. Additionally, the Rear Camera Mirror provides enhanced visibility for safer driving and maneuvering. Step inside to enjoy luxurious leather seats and a host of modern amenities like a heated steering wheel, adaptive cruise control, and a premium sound system that transforms every journey into a pleasure. With features like four-wheel drive, a snow plow prep package, and the Gooseneck/5th Wheel Prep Package, this Sierra is as versatile as it is powerful, ready to support both work and play. From its bold design, complete with black badging and body colour wheel arch mouldings, to its practical elements like integrated tailgate steps and running boards, the 2026 GMC Sierra 3500HD AT4 is a truck that commands attention and delivers performance.