Conquer the Great Outdoors with the 2026 GMC Sierra 1500 AT4: Built for Adventure, Engineered for Excellence, and Designed for the Modern Explorer.

Experience the pinnacle of rugged sophistication with the 2026 GMC Sierra 1500 AT4. This Onyx Black powerhouse is not just a truck; it's a statement of strength and style. Equipped with a robust 8-cylinder engine and a 10-speed automatic transmission, this 4x4 marvel is ready to tackle any terrain with ease. The AT4 trim is designed for those who crave adventure, featuring a locking/limited slip differential and an integrated tailgate step for seamless access to the bed liner. Safety is paramount, with advanced features like Blind Spot Monitoring, Front Collision Mitigation, and Lane Keeping Assist ensuring peace of mind on every journey. Inside, the Sierra 1500 AT4 offers a sanctuary of comfort with leather bucket seats, heated and cooled for optimal comfort, and a premium sound system to elevate your driving experience. The adaptive cruise control and aerial view display system make navigating the open road a breeze. Whether you're heading off-road or cruising through the city, the GMC Sierra 1500 AT4 is your ultimate companion, blending power, luxury, and cutting-edge technology in one exceptional package.