2026
GMC SIERRA 1500 AT4 4X4 CREW CAB 6.6 FT. BOX (PDG)

The 2026 GMC Sierra 1500 AT4 Crew Cab 4WD finished in Summit White with a Jet Black and Kalahari interior delivers a bold combination of off-road capability and premium comfort. Under the hood, the powerful 6.2L EcoTec3 V8 is paired with a refined 10-speed automatic transmission, providing strong acceleration, confident towing performance, and smooth highway cruising. The Active Exhaust system enhances the driving experience with a deeper, more aggressive tone, while the AT4’s factory off-road suspension and 4WD system ensure this truck is ready for challenging terrain as well as everyday driving. Designed with both function and style in mind, this AT4 features high-clearance off-road steps, moulded splash guards, a spray-on bedliner, and a tri-fold soft tonneau cover to protect and maximize the versatility of the cargo bed. The aggressive AT4 styling, elevated stance, and distinctive detailing give it a commanding presence on the road. Inside, the cabin blends rugged durability with upscale refinement. The spacious Crew Cab layout offers generous passenger room, while premium finishes and thoughtful design create a comfortable environment for long drives. Equipped with a power sunroof, rear sliding power window, rear camera mirror, bed view camera, and a 15-inch multicolor head-up display, this Sierra integrates advanced technology seamlessly into the driving experience. Well-equipped, powerful, and unmistakably capable, this Sierra 1500 AT4 is built for those who want premium comfort without compromising true truck performance.