Used 2020 Gmc Sierra 1500 AT4

This 2020 GMC Sierra 1500 Crew Cab AT4 is where serious capability meets upscale design. Finished in Satin Steel Metallic with a striking Jet Black interior accented by Kalahari, this AT4 doesn’t just look the part—it’s engineered to perform at a higher level. At its core is the highly respected 6.2L EcoTec3 V8, paired with a smooth and responsive 10-speed automatic transmission, delivering strong acceleration, confident towing, and refined highway manners. The 3.23 rear axle ratio strikes an excellent balance between everyday drivability and work-ready performance, making this Sierra equally comfortable commuting or hauling. Equipped with the AT4 Premium Package, this truck brings elevated luxury into the off-road space with upgraded materials, advanced comfort features, and thoughtful design throughout the cabin. The Technology Package adds modern driver-focused innovation, while Driver Alert Package II enhances safety and confidence with advanced monitoring and assistance systems. A power sunroof opens up the cabin and adds another layer of premium appeal. Visually, the AT4 stance is complemented by upgraded wheels, giving the truck a bold, planted look that sets it apart from standard half-ton pickups. Inside, the addition of a Console Vault provides secure, lockable storage—perfect for valuables, tools, or daily essentials. The GMC Sierra AT4 has earned praise for blending rugged capability with refined comfort, often compared favorably against competitors like the Ford F-150 Tremor and Ram Rebel for its interior quality, powertrain performance, and overall composure. This configuration, especially with the 6.2L V8 and premium packages, represents one of the most desirable Sierra builds available. If you’re searching for a full-size pickup that delivers strength, technology, and premium finishes without compromise, this 2020 Sierra 1500 AT4 deserves a closer look. Available now at Prestige Wholesale, 1537 El Camino Avenue, Sacramento, CA.