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

The 2026 GMC Sierra 2500HD SLE Crew Cab Standard Box 4-Wheel Drive delivers uncompromising heavy-duty strength, advanced trailering intelligence, and refined everyday comfort. With its commanding stance, chrome accents, and professional-grade engineering, this Sierra HD is built to take on demanding workloads while keeping you connected and in control. 

Performance & Capability 

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

• Transmission: 10-speed automatic engineered for smooth shifts and confident hauling 

• Drivetrain: Autotrac® Two-Speed Transfer Case with 4WD for adaptable traction 

• Rear Axle Ratio: 3.73 ratio optimized for towing and payload performance 

• GVWR: 10,850 lbs (4,921 kg) for serious heavy-duty capability 

• Automatic Locking Rear Differential: Enhanced traction on unstable surfaces 

• Heavy-Duty Front Suspension: Built for durability under load 

• Off-Road Suspension with Skid Plates: Added confidence beyond the pavement 

• Hill Descent Control: Controlled handling on steep terrain 

• Engine & Transmission Oil Coolers: Designed to perform under demanding conditions 

• 170-Amp Alternator & High Idle Switch: Jobsite-ready electrical support 

• Engine Block Heater: Reliable cold-weather starts 

Trailering Technology 

• Integrated Trailer Brake Controller: Seamless trailer braking response 

• Hitch Guidance with Hitch View: Simplified trailer alignment 

• In-Vehicle Trailering App: Custom trailer profiles and system monitoring 

• Trailer Camera Provisions & Bed View Camera: Expanded visibility while towing 

• Trailer Side Blind Zone Alert: Added awareness during lane changes 

• Trailer Tire Pressure Monitoring Capability: Monitor trailer tires with confidence 

Interior Comfort & Convenience 

• Crew Cab Configuration: Spacious rear seating with generous legroom 

• Jet Black Interior Trim: Durable and refined cabin atmosphere 

• Front 40/20/40 Split-Bench Seat: Versatile seating and storage flexibility 

• 10-Way Power Driver Seat: Personalized driving comfort 

• Heated Driver & Front Outboard Passenger Seats: Cold-weather comfort 

• Heated Steering Wheel: Added warmth on winter mornings 

• Dual-Zone Automatic Climate Control: Individualized temperature settings 

• Power Sliding Rear Window with Defogger: Improved airflow and visibility 

• Remote Vehicle Start & Push-Button Start: Modern convenience 

• Rear Seat Storage Package: Smart interior cargo solutions 

• Rubberized-Vinyl Floor Mats (Front & Rear): Durable protection from the elements 

Technology & Connectivity 

• 13.4" GMC Premium Infotainment Touchscreen: Bold, intuitive interface with Google Built-In compatibility 

• 12" Reconfigurable Digital Driver Information Centre: Key vehicle data at a glance 

• Wireless Apple CarPlay® & Android Auto™: Seamless smartphone integration 

• Wi-Fi® Hotspot Capability & OnStar® Basics: Stay connected wherever work takes you 

• SiriusXM® Capability: Expanded entertainment options 

• 120-Volt AC Power Outlet (Instrument Panel & Bed-Mounted): Power tools and devices on demand 

• LED Cargo Bed Lighting: Clear visibility for early mornings or late nights 

Safety & Driver Assistance 

• Sierra HD Pro Safety Suite: Advanced driver-assistance technologies 

• Forward Collision Alert with Automatic Emergency Braking 

• Front Pedestrian Braking & Lane Departure Warning 

• Following Distance Indicator: Encourages safer highway driving 

• Front & Rear Park Assist: Confident maneuvering in tight spaces 

• HD Surround Vision: 360° camera perspective for enhanced visibility 

• Rear Cross Traffic Alert: Added awareness when reversing 

• Adaptive Cruise Control: Maintains preset following distance on long drives 

• Teen Driver Mode & Buckle to Drive: Encourages responsible habits 

• Theft-Deterrent System & Tire Pressure Monitoring: Added peace of mind 

Exterior Styling & Utility 

• Summit White Exterior: Clean, bold heavy-duty presence 

• 18" Machined Aluminum Wheels with Dark Grey Accents: Strong, purposeful stance 

• LT275/70R18E All-Terrain Tires: Built for traction and durability 

• Chrome Front & Rear Bumpers: Classic GMC styling 

• Black Front Recovery Hooks: Ready for tough situations 

• LED Headlamps, Fog Lamps & Roof Marker Lamps: Enhanced visibility and commanding presence 

• IntelliBeam® Automatic High Beams: Smart lighting control 

• Deep Tint Glass & Power-Adjustable Trailering Mirrors: Practical refinement 

• EZ Lift Power Lock & Release Tailgate: Effortless bed access 

• Spray-On Bedliner: Long-lasting cargo protection 

• 6" Chrome Assist Steps: Easy cabin entry with added style 

Whether hauling equipment to the jobsite, towing a heavy trailer across the province, or heading off the beaten path, the 2026 GMC Sierra 2500HD SLE Crew Cab 4WD combines heavy-duty strength, advanced safety, and modern connectivity. It’s built to work hard, tow smart, and deliver the confident capability GMC is known for.