GMC Sierra 3500Hd 2026

The 2026 GMC Sierra 3500HD Denali 4WD Crew Cab Long Box combines uncompromising heavy-duty strength, premium craftsmanship, and advanced technology. Finished in Sterling Metallic with a sophisticated Jet Black interior, this commanding truck is engineered for demanding workloads while delivering first-class comfort. With its powerful Duramax diesel engine, dual rear wheels, and advanced trailering technology, the Denali is built for drivers who expect exceptional capability without sacrificing luxury. Performance & Capability: Engine: 6.6L Duramax Turbo-Diesel V8; Transmission: Allison 10-speed automatic; Drivetrain: Four-wheel drive with two-speed transfer case; Dual Rear Wheels; Rear Differential: Automatic locking; Exhaust Brake; Suspension & Protection; Trailering Technology; Gooseneck & Fifth-Wheel Prep. Winter & Weather Comfort: Heated & Ventilated Front Seats; Heated Rear Outboard Seats; Heated Steering Wheel; Engine Block Heater; Dual-Zone Automatic Climate Control; Rain-Sensing Wipers & Rear Window Defogger; Remote Vehicle Start. Interior Comfort & Convenience: Premium Jet Black Interior; Power Front Bucket Seats; Driver Memory Settings; Power Sunroof; Power Sliding Rear Window; Wireless Charging; 13.4 GMC Infotainment Touchscreen; 12 Digital Driver Information Display; 15 Multicolour Head-Up Display; Bose Premium Audio System. Safety & Driver Assistance: GMC Pro Safety (Forward Collision Alert, Automatic Emergency Braking, Front Pedestrian Braking, Trailer Side Blind Zone Alert, HD Surround Vision, Trailer Camera Provisions); Trailer Brake Controller; Trailer Camera Provisions. Exterior Styling & Utility: Sterling Metallic exterior, 18 Polished Forged Aluminum Wheels, Signature LED Lighting, Chrome Accents, Chrome Assist Steps, Spray-On Bedliner, GMC MultiPro Tailgate, 120V Bed-Mounted Power Outlet, Long Box Configuration. Entertainment Equipment: Bose Sound System, Bluetooth, Wireless Apple CarPlay & Android Auto. Mechanical Equipment: 6.6L V8 gasoline engine (401 hp), Air filtration monitoring, Transfer case, Four wheel drive, Cooling, Battery, Alternator, Trailer brake controller, Frame, Brakes, Rear axle, GVWR, Recovery hooks, Suspension, Steering, Transmission. Other Equipment: Trailering Package, Sierra HD Pro Safety, ProGrade Trailering System, X31 Off-Road Package.”
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