New 2026 GMC Sierra 1500 AT4

The 2026 GMC Sierra 1500 AT4 blends premium comfort, rugged off-road capability, and bold styling into one confident full-size pickup. Designed for drivers who demand strength without sacrificing refinement, this AT4 delivers advanced technology, powerful V8 performance, and trail-ready confidence for workdays, weekends, and everything in between. 

Performance & Capability 

• Engine: 6.2L ECOTEC3 V8 delivering impressive horsepower, strong towing capability, and commanding acceleration 

• Transmission: Smooth and responsive 10-speed automatic transmission with Electronic Precision Shift 

• Drivetrain: Advanced 4-Wheel Drive system with Autotrac two-speed transfer case for confident traction on any terrain 

• Suspension: Factory Off-Road Suspension Package engineered for enhanced ground clearance and trail capability 

• Rear Differential: Automatic locking rear differential for improved traction in challenging conditions 

• Drive Modes: FlexRide Drive Mode System adapts handling and performance to changing road and terrain conditions 

• Off-Road Features: Hill Descent Control, skid plates, heavy-duty air filter, and red front recovery hooks for rugged adventures 

• Trailering Equipment: Integrated trailer brake controller, hitch guidance with Hitch View, trailer camera provisions, and in-vehicle trailering app 

• Cooling Enhancements: Engine oil cooler and transmission oil cooler designed for hauling and towing confidence 

Winter & Weather Comfort 

• Heated & Ventilated Front Seats provide year-round comfort in every season 

• Heated Rear Outboard Seats keep passengers comfortable during colder drives 

• Heated Steering Wheel adds warmth and convenience on chilly mornings 

• Remote Vehicle Start allows the cabin to warm up or cool down before you step inside 

• Dual-Zone Automatic Climate Control keeps driver and passenger comfort personalized 

• Rain-Sensing Wipers automatically adjust to changing weather conditions 

• Engine Block Heater helps ensure dependable cold-weather starting 

• Deep-Tinted Glass enhances cabin comfort and privacy 

Interior Comfort & Convenience 

• Leather-Appointed Front Bucket Seats combine durability with upscale refinement 

• Power Driver & Passenger Seats with Memory Settings offer personalized comfort and convenience 

• Power Sliding Rear Window improves airflow and accessibility 

• Rear Seat Storage Package adds smart utility for tools, gear, or travel essentials 

• Wireless Charging Pad keeps compatible devices powered without cables 

• Multiple USB Ports and 120V Power Outlets provide convenient charging throughout the cabin and cargo bed 

• Keyless Open & Push-Button Start offer seamless everyday convenience 

• Premium Wrapped Steering Wheel and upscale interior finishes create a refined driving experience 

• Power Sunroof brings added openness and natural light into the cabin 

• GMC MultiPro Tailgate adds versatile functionality for loading, work, and cargo access 

Technology & Connectivity 

• 13.4" GMC Premium Infotainment Touchscreen with Google Built-In compatibility and navigation capability 

• 12" Reconfigurable Digital Driver Information Display delivers customizable vehicle information at a glance 

• Wireless Apple CarPlay® & Android Auto™ integration for seamless smartphone connectivity 

• Bose® Premium Audio System provides rich, immersive sound throughout the cabin 

• Wireless Phone Projection keeps apps and media easily accessible 

• Wi-Fi Hotspot Capability helps keep passengers connected on the go 

• Technology Package includes a Multicolor 15" Head-Up Display, Rear Camera Mirror, and Bed View Camera for enhanced visibility and driver awareness 

Safety & Driver Assistance 

• GMC Pro Safety suite adds confidence and peace of mind on every drive 

• Forward Collision Alert with Automatic Emergency Braking helps detect and mitigate potential front-end collisions 

• Lane Keep Assist with Lane Departure Warning helps maintain proper lane positioning 

• Adaptive Cruise Control provides added convenience during highway driving 

• Front Pedestrian Braking adds enhanced awareness in urban environments 

• HD Surround Vision offers a comprehensive 360-degree view for parking and maneuvering 

• Front & Rear Park Assist improves confidence in tight spaces 

• Rear Cross Traffic Braking and Rear Pedestrian Alert add awareness when reversing 

• Trailer Side Blind Zone Alert enhances visibility while towing 

• Following Distance Indicator and Safety Alert Seat provide added driver awareness 

• Teen Driver Mode and Buckle-to-Drive encourage safer driving habits 

Exterior Styling & Utility 

• Exterior Colour: Onyx Black — bold, aggressive, and unmistakably premium 

• 20" Machined Aluminum Wheels with Carbon Grey Metallic Accents create a commanding stance 

• All-Terrain Tires deliver confident grip on pavement, gravel, mud, and snow 

• LED Fog Lamps, LED Cargo Bed Lighting, and signature lighting elements improve visibility day or night 

• Spray-On Bedliner helps protect the cargo box from scratches and wear 

• Off-Road High Clearance Steps provide easier access while maintaining trail capability 

• Perimeter Lighting improves visibility around the truck at night 

• EZ Lift Power Lock & Release Tailgate adds convenience for loading and unloading 

• Rear Wheelhouse Liners and premium floor liners help protect against dirt, debris, and harsh weather 

Whether you’re towing a trailer, exploring off-road trails, or driving through the city in comfort, the 2026 GMC Sierra 1500 AT4 delivers premium refinement, powerful V8 capability, and advanced technology in one bold package. It’s built for drivers who want rugged performance without compromising luxury, comfort, or everyday versatility.