New 2026 GMC Sierra 1500 AT4

The 2026 GMC Sierra 1500 AT4 Crew Cab Short Box 4-Wheel Drive blends rugged off-road capability with refined comfort and cutting-edge technology, delivering a premium experience for drivers who demand more from their full-size truck. Designed for both adventure and daily utility, the AT4 trim stands out with its distinctive styling, advanced trailering features, and a commanding V8 powertrain. Whether tackling remote terrain or highway hauling, the Sierra AT4 brings confidence, power, and convenience to every drive. 

Performance & Capability 

• Engine: 6.2L EcoTec3 V8 for high-output performance and towing strength 

• Transmission: Smooth-shifting 10-speed automatic transmission 

• Drivetrain: Advanced Autotrac® two-speed 4WD transfer case with automatic locking rear differential 

• Suspension: Off-Road Suspension Package with skid plates and high ground clearance for rugged trails 

• Braking & Stability: 4-wheel disc brakes with ABS and Hill Descent Control for steep declines 

• Towing Support: Integrated trailer brake controller, Hitch Guidance with Hitch View, and Trailer Side Blind Zone Alert 

• Drive Comfort: Electronic Precision Shift, Adaptive Ride Control, and heavy-duty air filter for tough environments 

Winter Readiness 

• 4-Wheel Drive (4WD) for optimal traction in snow and icy conditions 

• Heated Front and Rear Outboard Seats for cold-weather comfort 

• Heated Steering Wheel to keep hands warm on frigid mornings 

• Remote Start with automatic climate pre-conditioning 

• Strong Defrosting System with rain-sensing windshield wipers and rear window defogger 

• All-Terrain Tires and Spray-On Bedliner for utility and durability year-round 

Interior Comfort & Design 

• Seating: Power-adjustable, leather-appointed front bucket seats with ventilation and driver memory settings 

• Cabin Layout: Rear seat storage package and under-seat compartments for added utility 

• Climate: Dual-zone automatic climate control with rear air vents 

• Driver Convenience: Power tilt and telescopic steering column, push-button start, and keyless open 

• Sunroof: Power-sliding moonroof for added openness and visibility 

Technology & Connectivity 

• Infotainment Display: 13.4" GMC Premium touchscreen with built-in Google, navigation, and voice command 

• Connectivity: Wireless Apple CarPlay® and Android Auto™, Bluetooth®, and Wi-Fi hotspot capability 

• Audio: Bose® premium sound system for immersive in-cabin listening 

• Charging: Wireless phone charging pad, USB ports for all rows, and 120V power outlets in the cab and bed 

• Driver Info: 15" multicolour head-up display and 12" digital driver display 

Safety & Driver Assistance 

• Airbag System: Full suite including front, side curtain, and outboard airbags with rear seatbelt indicators 

• Advanced Safety: 

• Forward Collision Alert with Automatic Emergency Braking 

• Lane Keep Assist with Lane Departure Warning 

• Front and Rear Park Assist 

• Rear Cross Traffic Braking 

• Rear and Front Pedestrian Detection 

• HD Surround Vision camera system 

• Driver's Safety Alert Seat and Teen Driver Mode 

• Visibility & Monitoring: Bed View Camera, Rear Camera Mirror, Tire Pressure Monitoring System 

Exterior Styling & Utility 

• Design: Bold AT4 appearance with red recovery hooks, unique grille, and machined aluminum wheels 

• Tailgate: GMC MultiPro™ Tailgate with EZ Lift and power lock/release 

• Lighting: LED headlamps, fog lights, and cargo bed lighting for improved nighttime function 

• Utility Enhancements: Off-road high-clearance assist steps, skid plates, and perimeter lighting 

For Canadian drivers who demand off-road capability without sacrificing modern luxury, the 2026 Sierra AT4 delivers unmatched confidence, comfort, and cutting-edge tech — all wrapped in a rugged, refined package.