| 15 Head-Up Display | Power Sunroof | Rear Camera Mirror | Bose Premium Audio | GMC MultiPro Tailgate | The 2026 GMC Sierra 2500 AT4 Crew Cab 4WD, finished in Onyx Black with a refined Jet Black/Kalahari interior, is a rugged yet premium heavy-duty truck built to handle demanding work while delivering upscale comfort. Its bold exterior is enhanced by 20 high gloss black aluminum wheels, animated LED projector headlamps, and the functional versatility of a GMC MultiPro tailgate with EZ-Lift power lock and release, while features like the spray-on bedliner and LED cargo bed lighting add durability and practicality. Inside, the cabin offers a refined and capable space with heated and ventilated front seats, heated second-row outboard seats, and a 10-way power driver seat for all-day comfort. Premium touches such as dual-zone automatic climate control, wireless charging, Bose premium speakers, and a heated wrapped steering wheel elevate the driving experience, while practical features like a bed view camera and multiple power outlets enhance everyday usability. Performance is driven by a Duramax 6.6L V8 Turbo Diesel engine paired with a 10-speed automatic transmission and 4WD, supported by advanced mechanical systems including a 2-speed Autotrac transfer case, auto-locking rear differential, and integrated trailering technologies with hitch guidance and an in-vehicle trailering app, ensuring confidence across tough job sites and Calgary’s varying conditions. Technology is seamlessly integrated with a 13.4 GMC Premium Infotainment touchscreen with Google built-in, wireless Apple CarPlay and Android Auto, and a 12.3 reconfigurable driver information centre. Added enhancements from the AT4 Premium Plus Package include a 15 head-up display, rear camera mirror, and a power sunroof, while safety is reinforced with HD Surround Vision, Forward Collision Alert, Automatic Emergency Braking, and Trailer Side Blind Zone Alert. Engineered for those who demand heavy-duty capability with premium refinement, the 2026 GMC Sierra 2500 AT4 Crew Cab 4WD delivers strength, technology, and comfort in one commanding package. Stock #T4251618 AMVIC LICENSED DEALER