2026
GMC SIERRA 1500 AT4 4X4 CREW CAB 5.75 FT. BOX (CWM)

The 2026 GMC Sierra 1500 AT4 Crew Cab 4WD is a premier premium off-roader that perfectly balances aggressive trail readiness with high-end executive luxury. Cleanly styled in a sharp Summit White exterior, this truck features the highly distinguished Jet Black interior with Kalahari accents. Under the hood is the exceptional Duramax 3.0L Turbo-Diesel engine paired with a smooth 10-speed automatic transmission, serving up a massive 495 lb-ft of low-end torque alongside phenomenal fuel efficiency. This specific unit is heavily spec'd with high-impact factory upgrades and premium dealer-installed protection accessories: Technology Package Upgrade: Transforms the cockpit into a high-tech control center, adding a Multicolor 15-inch diagonal Head-Up Display (HUD), a Rear Camera Mirror, and a Bed View Camera to keep an eye on your cargo or the trail. AT4 Premium Package: Enhances everyday driving convenience with a Universal Home Remote, a rear sliding power window, and functional dealer-installed Off-Road High Clearance Steps for easier cab entry without compromising ground clearance. Premium Bed Utility & Protection: Outfitted from the factory with a tough spray-on bedliner and further upgraded with a dealer-installed tri-fold hard tonneau cover to completely lock down and weather-protect the cargo box. Open-Air Cabin Luxury: Features a power sunroof to flood the refined, leather-trimmed cabin with natural light. Heavy-Duty Platform: Built on a robust mechanical foundation engineered to manage a 3,266 kg (7,200 lb) GVWR layout and a 3.23 rear axle ratio. Canadian Elements Defense: Fully outfitted with standard Canadian Base Equipment to handle changing northern elements with absolute confidence. Fusing rugged off-road architecture with high-end digital tech, a premium contrast interior, and the relentless torque of the Duramax diesel, this 2026 Sierra AT4 represents an incredibly sharp, highly capable package built to command attention on or off the pavement.