2026 GMC Sierra 3500HD Denali

13.4 GMC Infotainment Display w/ Google Built-In | Denali Reserve Package | Duramax 6.6L Turbo-Diesel | Gooseneck/5th Wheel Prep | Bose Premium Audio | Power Sunroof The 2026 GMC Sierra 3500HD Denali Crew Cab 4WD delivers premier heavy-duty towing capability, elite executive luxury, and advanced trailering technology, finished in Downpour Metallic with a Jet Black leather-appointed interior. Exterior highlights include the GMC MultiPro Tailgate with tailgate assist handle, power sunroof, factory spray-on bedliner, chrome assist steps, animated LED projector headlamps, front LED fog lamps, LED cargo bed lighting, 120V AC cargo bed outlet, power-adjustable heated and auto-dimming power-extending trailering mirrors with perimeter lighting, rain-sensing windshield wipers, power sliding rear window with defogger, and high-idle switch. Inside, the flagship Denali cabin features heated and ventilated 12-way power front bucket seats with driver memory settings, heated second-row outboard seats, heated wrapped steering wheel, dual-zone automatic climate control, Bose premium sound system, wireless phone charging, 120V AC instrument panel outlet, Universal Home Remote, keyless open and start, remote start, and all-weather floor liners. Technology and safety feature the Denali Reserve Package with a 15 diagonal multicolour Head-Up Display and Rear Camera Mirror, 13.4 diagonal GMC Premium Infotainment System with Google built-in, 12.3 diagonal reconfigurable driver information centre, wireless Apple CarPlay and Android Auto compatibility, SiriusXM capability, OnStar Connected Services, Duramax 6.6L V8 Turbo-Diesel engine paired with a 10-speed automatic transmission, Autotrac 2-speed active electronic transfer case, auto-locking rear differential, Digital Variable Steering, integrated trailer brake controller, Gooseneck/5th Wheel Prep Package, Trailering Package with Hitch Guidance and Hitch View, In-Vehicle Trailering App, Bed View Camera, HD Surround Vision, Front and Rear Park Assist, Adaptive Cruise Control, Trailer Side Blind Zone Alert, Rear Cross Traffic Alert, Driver Safety Alert Seat, and Sierra HD Pro Safety (Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Lane Departure Warning, Following Distance Indicator, and IntelliBeam auto high beams). AMVIC LICENSED DEALER