2026
GMC SIERRA 2500HD SLE 4X4 CREW CAB 6.75 FT. BOX

The 2026 GMC Sierra 2500HD SLE is engineered for serious work with modern refinement baked in. Built with professional-grade strength, advanced trailering technology, and a confident heavy-duty stance, this truck is ready to dominate demanding jobs while keeping drivers comfortable, connected, and in control. 

Performance & Heavy-Duty Capability 

• Engine: 6.6L V8 with Direct Injection and Variable Valve Timing, delivering robust power and dependable torque 

• Transmission: 10-speed automatic transmission for smooth shifts and optimized towing performance 

• Drivetrain: Autotrac Two-Speed 4-Wheel Drive (4WD) for confident traction on worksites and rough terrain 

• Rear Axle Ratio: 3.73 ratio engineered for maximum towing and hauling strength 

• GVWR: Up to 10,850 lbs, built to handle demanding payloads 

• Trailering Equipment: Integrated trailer brake controller, Hitch View, and in-vehicle trailering app 

• Off-Road Capability: X31 Off-Road Package with skid plates, hill descent control, and off-road suspension 

• Automatic Locking Rear Differential: Enhanced traction when conditions turn challenging 

Trailering & Worksite Intelligence 

• HD Surround Vision with Bed View Camera for confident maneuvering 

• Trailer Side Blind Zone Alert and Rear Cross Traffic Alert 

• Trailer Camera Provisions and Trailer Tire Pressure Monitoring capability 

• Heavy-duty cooling systems including engine oil and transmission oil coolers 

• High Idle Switch for increased power demands on the job 

Interior Comfort & Technology 

• Crew Cab layout offering generous space for passengers and gear 

• Front 40/20/40 split-bench seat with power-adjustable driver seat 

• Heated Front Seats and Heated Steering Wheel for cold-weather comfort 

• Dual-Zone Automatic Climate Control with rear air vents 

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

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

• 12" Digital Driver Information Center with customizable displays 

• Multiple USB ports and 120V power outlets in the cabin and cargo bed 

• Power Sliding Rear Window and Rear Seat Storage Package for added versatility 

Safety & Driver Assistance 

• Sierra HD Pro Safety Plus for enhanced confidence on every drive 

• Automatic Emergency Braking and Front Pedestrian Braking 

• Forward Collision Alert and Following Distance Indicator 

• Lane Departure Warning and IntelliBeam® Automatic High Beams 

• Front & Rear Park Assist and HD Rear Vision Camera 

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

Exterior Styling & Utility 

• Exterior Colour: Summit White, clean, bold, and unmistakably professional 

• 18" Machined Aluminum Wheels with dark grey metallic accents 

• All-Terrain Tires designed for rugged durability 

• Chrome Front and Rear Bumpers with black front recovery hooks 

• LED Headlamps, Fog Lamps, Roof Marker Lamps, and LED cargo bed lighting 

• Spray-On Bedliner and standard tailgate with EZ Lift, power lock, and release 

• CornerStep Rear Bumper and available chrome assist steps for easy access 

Whether you’re towing heavy equipment, navigating tough terrain, or managing long workdays, the 2026 GMC Sierra 2500HD SLE delivers uncompromising strength, advanced trailering confidence, and modern comfort. It’s a heavy-duty truck designed to work harder, go farther, and handle whatever the job demands, without hesitation.