2026
GMC SIERRA 1500 AT4X 4X4 CREW CAB 5.75 FT. BOX

The 2026 GMC Sierra 1500 AT4X Crew Cab blends rugged off-road capability, premium craftsmanship, and everyday refinement. With its commanding stance, aggressive design cues, and advanced technology, this full-size pickup is engineered for drivers who crave adventure without sacrificing comfort. 

Performance & Capability 

• Engine: 6.2L ECOTEC3 V8 delivering impressive power and responsive performance 

• Transmission: 10-speed automatic with electronic precision shift for smooth, confident gear changes 

• Drivetrain: AT4X 4-Wheel Drive with Autotrac Two-Speed Transfer Case for superior traction on all surfaces 

• Suspension: Off-road-tuned AT4X suspension with upgraded shocks and skid plates for durability and a controlled ride over rough terrain 

• Axle Ratio: 3.23 rear axle for balanced towing capacity and efficiency 

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

• Drive Modes: Switchable FlexRide mode system for optimized handling on-road and off-road 

• Off-Road Readiness: Driver-selectable full locking front and rear differentials, heavy-duty skid plates, and hill descent control for assured off-road performance 

Winter & Weather Comfort 

• Heated & Ventilated Front Seats to stay warm in winter and cool in summer 

• Heated Rear Outboard Seats and Heated Steering Wheel for added comfort 

• Remote Start System to pre-condition the cabin in any weather 

• Dual-Zone Automatic Climate Control with humidity and moisture sensors 

• All-Weather Floor Liners for year-round interior protection 

• Engine Block Heater for reliable cold-weather starts 

Interior Comfort & Convenience 

• Front Bucket Seats with 10-Way Power Adjust and Memory Settings 

• Power Sliding Rear Window and Rear Seat Storage Package for extra utility 

• Wireless Charging Pad and Multiple USB/120V Outlets for device connectivity 

• Keyless Open & Push-Button Start for effortless entry and ignition 

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

• 13.4" GMC Premium Infotainment Touchscreen with Google Built-In and Navigation 

• 12" Digital Driver Display offering customizable information at a glance 

• Bose® Premium Audio System for immersive sound throughout the cabin 

Safety & Driver Assistance 

• GMC Pro Safety Plus Package for enhanced driver confidence 

• Forward Collision Alert with Automatic Emergency Braking 

• Lane Keep Assist with Lane Departure Warning 

• Rear Cross Traffic Braking and Trailer Side Blind Zone Alert 

• HD Surround Vision for a full 360° view when parking or trailering 

• Front & Rear Park Assist, Following Distance Indicator, and Rear Pedestrian Alert 

• Teen Driver Mode and Buckle-to-Drive for added safety awareness 

Exterior Styling & Utility 

• 18" Painted Aluminum Wheels and Bold AT4X Exterior Accents for rugged style 

• Exterior Colour: Summit White with Obsidian Rush accents — aggressive yet refined 

• LED Lighting: Signature LED headlamps, fog lamps, and bed lighting for maximum visibility 

• GMC MultiPro Tailgate: Configurable for loading, step access, or a versatile workstation 

• Spray-On Bedliner and 120V Bed-Mounted Power Outlet for worksite practicality 

• Front High-Approach AEV-Styled Bumper with Heavy-Duty Recovery Points for off-road confidence 

• Perimeter Lighting and Chrome Recovery Hooks for added utility at night or on tough terrain 

Whether carving trails, towing heavy loads, or navigating city streets, the 2026 GMC Sierra 1500 AT4X delivers exceptional power, innovative technology, and undeniable presence. It’s the ultimate mix of off-road toughness and premium refinement — ready for those who demand adventure with style.