GMC Sierra 3500Hd 2026

AMVIC Licensed Dealer

13.4 GMC Infotainment w/ Google | Duramax 6.6L V8 Turbo Diesel | SLT Premium Package | Gooseneck/5th Wheel Prep | Power Sunroof | Bose Premium Audio The 2026 GMC Sierra 3500 HD Crew Cab SLT 4WD delivers extreme heavy-duty towing performance and premium comfort in Onyx Black with a Jet Black interior. Powered by a Duramax 6.6L V8 Turbo Diesel engine paired with an Allison 10-speed automatic transmission and a 2-speed active electronic Autotrac transfer case, key mechanical highlights include the Gooseneck/5th Wheel Prep Package, auto-locking rear differential, Digital Variable Steering, high idle switch, skid plates, integrated trailer brake controller, and trailering package with Hitch Guidance, Hitch View, and In-Vehicle Trailering App. Exterior features include a power sunroof, GMC MultiPro Tailgate, chrome assist steps, factory spray-on bedliner, power sliding rear window, animated LED projector headlamps, front LED fog lamps, LED cargo bed lighting, LED roof marker lamps, integrated bedstep, rear wheelhouse liners, rain-sensing wipers, 120V bed outlet, and power folding/extending heated auto-dimming trailering mirrors with perimeter lighting. Inside, the spacious cabin offers front bucket seats, heated and ventilated front seats, 10-way power driver seat with memory, heated wrapped steering wheel, dual-zone automatic climate control, wireless charging, universal home remote, auto-dimming rearview mirror, keyless open, and remote start. Technology centers on a 13.4 GMC Premium Infotainment System with Google built-in, wireless Apple CarPlay and Android Auto, 12.3 reconfigurable digital Driver Information Centre, Bose premium audio system, Bed View Camera, SiriusXM capability, and OnStar Basics. Driver assistance and safety tech includes Adaptive Cruise Control, HD Surround Vision, Driver Safety Alert Seat, Front and Rear Park Assist, Sierra HD Pro Safety (featuring Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, and Lane Departure Warning), Trailer Side Blind Zone Alert, Rear Cross Traffic Alert, Trailer Camera Provisions, and IntelliBeam auto high beams. AMVIC LICENSED DEALER