2026 GMC Sierra 1500 AT4

From the dealer

This 2026 GMC Sierra 1500 AT4 delivers commanding presence with its bold black exterior and powerful EcoTec3 6.2L V8 engine paired with a 10-speed automatic transmission and 4WD capability. Built for both on-road confidence and off-road adventure, the AT4 trim brings premium features and rugged capability to every drive. This truck is engineered to handle demanding tasks while keeping you connected and comfortable. - 6.2L V8 EcoTec3 Engine with 10-Speed Automatic and 4WD - Premium GMC Infotainment Audio System with SiriusXM and Apple CarPlay/Android Auto - Heated and ventilated leather front seats with 10-way power adjusters - Advanced safety suite: Automatic Emergency Braking, Lane Keep Assist, Rear Camera Mirror - Off-Road Suspension with Hill Descent Control and Auto-Locking Rear Differential - Multicolor 15 Head-Up Display with Wireless Charging - Integrated Trailering System with Hitch Guidance and Trailer Side Blind Zone Alert - Spray-on Bedliner with GMC Logo and Off-Road High Clearance Step - Dual Active Exhaust with LED Cargo Area Lighting - Premium Bose 7-Speaker Sound System with Steering Wheel Controls The AT4 package combines luxury and capability. You'll appreciate the heated rear seats, premium floor liners, and comprehensive technology integration that makes every journey intuitive. Safety features like ultrasonic park assist, forward pedestrian braking, and rear cross traffic braking provide confidence in any situation. The truck's trailering provisions and integrated brake controller make towing straightforward and secure. Ready to experience this Sierra 1500 AT4 firsthand? Visit us today to take it for a test drive and discover why this truck stands apart in its class.