Introducing the 2026 GMC Sierra 1500 AT4 4WD Crew Cab, designed to elevate both performance and luxury. This rugged truck features a striking Onyx Black exterior, perfectly complemented by a refined Jet Black interior with stylish Kalahari accents. Experience unparalleled comfort with perforated leather front seats that provide both support and sophistication. At the heart of the Sierra 1500 is a powerful Duramax 3L I-6 diesel engine. This advanced powertrain boasts direct injection, dual overhead cam (DOHC), and variable valve control, delivering an impressive 305 horsepower and exceptional torque. Engineered for those who demand capability, the Sierra 1500 AT4 excels in both off-road adventures and everyday driving. With its robust four-wheel-drive system, this truck is equipped to tackle any terrain with confidence, whether you're venturing into the wild or navigating city streets. The 147-inch crew cab offers ample space for passengers and gear alike, making it the perfect companion for work or play. Discover the perfect blend of strength, comfort, and cutting-edge technology in the 2026 GMC Sierra 1500 AT4. Embrace the drive that defines excellence.
