2021 GMC Sierra 1500 AT4

From the dealer

Meet the 2021 GMC Sierra 1500 AT4, a capable truck engineered for those who demand both performance and refined comfort on and off the road. - 3.0L Duramax Turbocharged I-6 Diesel Engine with 277 hp and 460 lb-ft of torque - 10-Speed Automatic Transmission with 4WD - 20" Machined Aluminum Wheels with Carbon Grey Metallic Accents - Spray-On Pickup Bed Liner with AT4 Logo - Premium GMC Infotainment System with Multi-Touch Display and SiriusXM 360L - Apple CarPlay and Android Auto Compatibility - Heated and Ventilated Perforated Leather Front Seats with 10-Way Power Adjustment - Heated Steering Wheel - Off-Road Suspension with Auto-Locking Rear Differential - Hill Descent Control - ProGrade Trailering System with Integrated Trailer Brake Controller - HD Rear Vision Camera with Hitch Guidance - Front and Rear Premium Floor Liners - Remote Vehicle Starter System with Keyless Open & Start - Dual Zone Automatic Climate Control with Heated Rear Outboard Seats This Sierra 1500 AT4 delivers the muscular presence and genuine capability you expect in a premium truck. The advanced diesel engine balances power with efficiency, achieving 22 city and 26 highway MPG while providing the torque needed for serious work and towing. The advanced suspension system keeps you composed whether navigating challenging terrain or cruising the highway. Inside, the truck surrounds you with quality materials and thoughtful amenities. Heated and ventilated leather seating keeps you comfortable in any season, while the intuitive GMC infotainment system keeps you connected through Apple CarPlay, Android Auto, and satellite radio. The 4.2" color driver information center and convenient USB charging ports throughout the cabin support your mobile devices and display vital vehicle information. The ProGrade Trailering System transforms this truck into a serious towing platform. The integrated trailer brake controller, hitch guidance technology, and in-vehicle trailering app provide precise control when hauling, while the heavy-duty construction and auxiliary transmission oil cooler ensure durability under load. Built for the AT4 experience, this truck features an off-road suspension tuned for rough terrain, an auto-locking rear differential for enhanced traction, and hill descent control for confident downhill driving. The spray-on bed liner protects your cargo area, while recovery hooks stand ready when adventure calls. We invite you to examine this Sierra 1500 AT4 in person and discover the blend of truck toughness and premium refinement that defines the GMC experience.