2026
GMC SIERRA 3500HD DENALI 4X4 CREW CAB 6.75 FT. BOX SRW

The 2026 GMC Sierra 3500HD Denali 4WD blends rugged heavy-duty capability with upscale Denali refinement in a bold, full-size pickup built for serious work and premium comfort. With immense towing power, a plush interior, and the latest in safety and tech, the Sierra Denali HD is built for Canadian drivers who demand strength, style, and all-season performance. 

Performance & Capability 

• Engine: Duramax® 6.6L V8 Turbo Diesel delivering massive torque for serious towing and hauling 

• Transmission: Smooth-shifting Allison® 10-speed automatic for refined, durable power delivery 

• Drivetrain: 4WD with AutoTrac® 2-speed transfer case, ideal for tough conditions and off-road terrain 

• Towing & Hauling: 

• Gooseneck/5th Wheel Prep Package 

• HD Trailering Equipment with Integrated Trailer Brake Controller 

• Hitch Guidance with Hitch View & Trailer Camera Provisions 

• Suspension & Stability: 

• Z71 Off-Road Suspension Package with skid plates 

• Digital Variable Steering Assist and Hill Descent Control for better handling 

• Braking & Cooling: 

• 4-wheel anti-lock disc brakes (ABS) 

• Engine Exhaust Brake and Heavy-Duty Cooling System 

Winter Readiness 

• Heated Features: 

• Heated front and rear outboard seats 

• Heated leather-wrapped steering wheel 

• Remote Start & Comfort: 

• Remote Vehicle Start 

• Reinforced heating/defroster system with rear window defogger 

• Tires: All-terrain tires with full-size spare, plus winter grille cover for cold climates 

• Block Heater: Factory-installed engine block heater for extreme cold starts 

Interior Comfort & Design 

• Seating: 

• Premium leather-appointed front bucket seats 

• 10-way power driver and front passenger seats with lumbar support 

• Heated and ventilated front seats for year-round comfort 

• Cabin Comfort: 

• Dual-zone automatic climate control with rear air vents 

• Power sunroof for added luxury and natural light 

• Rear seat with storage package for added organization 

• Driver Convenience: 

• Keyless Open and Push-Button Start 

• Memory settings for driver seat and mirrors 

• Wireless charging pad and multiple 120V power outlets 

Technology & Connectivity 

• Infotainment: 

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

• Wireless Apple CarPlay® & Android Auto™ 

• Bose® Premium Speaker System 

• Display & Integration: 

• 15" Multicolour Head-Up Display 

• 12" Digital Driver Information Centre 

• Rear Camera Mirror and HD Surround Vision 

• Wi-Fi® Hotspot capable with OnStar® services 

• USB Access: 

• Multiple USB ports front and rear, including charge-only ports 

Safety & Driver Assistance 

• Advanced Safety Features: 

• Forward Collision Alert & Automatic Emergency Braking 

• Lane Departure Warning & Lane Keep Assist 

• Front and Rear Park Assist 

• Rear Cross Traffic Alert and Rear Pedestrian Alert 

• Adaptive Cruise Control 

• Driver Safety Alert Seat 

• Visibility Enhancements: 

• LED headlamps with IntelliBeam® automatic high beams 

• Bed View Camera, Trailer Side Blind Zone Alert, and LED cargo lighting 

Exterior Styling & Utility 

• Denali Signature Touches: 

• Chrome mirror caps, door handles, and Denali-specific grille 

• Spray-on bedliner and EZ-Lift tailgate with power lock and release 

• Chrome assist steps and 20" machined aluminum wheels 

• Practical Upgrades: 

• MultiPro® Tailgate with multiple configurations 

• Power sliding rear window 

• Roof marker lights and task lighting for jobsite readiness 

For drivers who need uncompromising power without sacrificing luxury, the 2026 GMC Sierra 3500HD Denali delivers bold styling, heavy-duty performance, and a tech-loaded, comfort-first cabin—ready to work hard and drive easy in any season.