Conquer the Road with the 2026 GMC Sierra 3500HD AT4: Power, Precision, and Unmatched Capability for the Adventurous Canadian Driver

Discover the unparalleled strength and sophistication of the 2026 GMC Sierra 3500HD AT4, designed for those who demand more from their truck. This powerhouse, equipped with a Duramax 6.6L Turbo-Diesel V8 engine, delivers an astounding 470 horsepower and 975 lb-ft of torque, ensuring you have the muscle to tackle any task. The advanced 10-speed automatic transmission and four-wheel drive system provide seamless power delivery and exceptional control, even in the harshest Canadian terrains.

The Sierra 3500HD AT4 is not just about raw power; it’s also about intelligent design. The Technology Package, featuring a multicolour 15" diagonal head-up display and rear camera mirror, keeps you informed and aware, while the Gooseneck/5th Wheel Prep Package ensures you’re ready for heavy-duty towing. Inside, luxury meets functionality with leather seats, heated and cooled front seats, and a premium 13.4" diagonal GMC Infotainment System with built-in Google apps and wireless smartphone integration.

Safety is paramount with features like blind spot monitoring, lane departure warning, and front collision mitigation, providing peace of mind on every journey. The 2026 GMC Sierra 3500HD AT4 is the ultimate companion for those who live life on the edge, combining power, technology, and safety in one formidable package.