GMC Sierra 3500Hd 2026

AMVIC Licensed Dealer

13.4 GMC Infotainment Screen | AT4 Premium Plus Package | Power Sunroof | 15 Head-Up Display | Gooseneck/5th Wheel Prep | Rear Camera Mirror | Power Retractable Assist Steps | GMC MultiPro Tailgate

The 2026 GMC Sierra 3500HD Crew Cab AT4 4WD seamlessly unifies premium off-road engineering with top-tier heavy-duty power, creating an imposing presence with its striking Volcanic Red Tintcoat exterior and specialized Jet Black leather interior featuring distinctive Kalahari accents. Driven by the legendary Duramax 6.6L V8 Turbo Diesel engine paired with an advanced 10-speed automatic transmission, this premium pickup is engineered to handle massive payloads and demanding trailering tasks. Perfectly optimized for rugged backcountry worksites and harsh Canadian climate conditions, it features a 3.42 rear axle ratio, an authoritative 5,488 kg (12,100 lb) GVWR, a 2-speed active electronic Autotrac transfer case, an automatic locking rear differential, and digital variable steering. Ultimate towing and jobsite readiness are standard, utilizing an integrated trailer brake controller, a factory-installed Gooseneck/5th Wheel Prep Package, and a ProGrade trailering setup featuring Hitch Guidance with Hitch View, an in-vehicle trailering app, a Bed View Camera, and a specialized hitch area light. The aggressive AT4 exterior layout is outfitted with premium upgrades from the AT4 Premium Plus Package, including a power sunroof, LED roof marker lamps, and power-retractable assist steps with integrated LED lighting. These features complement standard rugged equipment like an EZ-Lift power lock and release tailgate, animated LED projector headlamps, front LED fog lamps, rain-sensing wipers, rear wheelhouse liners, a durable factory spray-on bed liner, power-folding/extending heated trailering mirrors, and the versatile six-position GMC MultiPro Tailgate. The interior serves as a premium, highly functional command center loaded with modern digital connections and refined driver amenities. The front row provides 10-way power-adjustable, heated, and ventilated front bucket seats with dual-preset driver memory, while the second-row outboard passengers benefit from heated seating. Executive cabin conveniences run deep, highlighted by premium floor liners, dual-zone automatic climate control, a power-sliding rear window, a Universal Home Remote, a wireless smartphone charging pad, and 120V AC power outlets located in both the instrument panel and the cargo bed. The cutting-edge digital cockpit is anchored by a massive 13.4-inch diagonal colour GMC Premium Infotainment touchscreen system with Google Built-In navigation, wireless Apple CarPlay, wireless Android Auto, and a studio-quality Bose premium speaker system. This advanced setup is paired with a 12.3-inch reconfigurable digital Driver Information Centre, a multi-colour 15-inch diagonal Head-Up Display, and a high-definition Rear Camera Mirror. Absolute peace of mind on and off the road is delivered by the Sierra HD Pro Safety suite, highlighting Adaptive Cruise Control, HD Surround Vision, Front and Rear Park Assist, Trailer Side Blind Zone Alert, Rear Cross Traffic Alert, and the tactile Driver Safety Alert Seat.

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