13.4 GMC Premium Infotainment System with Google Built-In | 15 Multicolor Head-Up Display | Rear Camera Mirror | 16-Way Power Heated & Ventilated Front Seats | Bose Premium 12-Speaker Sound System | Power-Retractable Assist Steps with LED Lighting | HD Surround Vision & Bed View Camera | GMC MultiPro Tailgate The 2025 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD delivers top-tier heavy-duty luxury, performance, and advanced technology, styled in an Onyx Black exterior with an exclusive Alpine Umber interior. Powered by a Duramax 6.6L V8 Turbo Diesel engine paired with an Allison 10-speed automatic transmission, this truck features an 11,350 lb (5,148 kg) GVWR, a 3.42 rear axle ratio, an auto-locking rear differential, a 2-speed active electronic Autotrac transfer case, Digital Variable Steering, StabiliTrak with Trailer Sway Control and Hill Start Assist, an integrated trailer brake controller, and a complete Trailering Package with Hitch Guidance, Hitch View, and an In-Vehicle Trailering App. The exterior is highlighted by power-retractable assist steps with LED perimeter lighting, animated LED projector headlamps, front LED fog lamps, LED cargo bed lighting, power-folding, extending, and heated trailering mirrors with auto-dimming and turn signals, rain-sensing wipers, a factory spray-on bedliner, and the versatile six-function GMC MultiPro Tailgate. Inside, the Denali Ultimate cabin offers exceptional luxury with 16-way power heated and ventilated front seats, driver seat and mirror memory, heated second-row outboard seats, a heated leather-wrapped steering wheel, dual-zone automatic climate control, a power sliding rear window, adaptive cruise control, universal home remote, wireless device charging, and 120V AC outlets in both the instrument panel and cargo bed. Connectivity and driver technology center around a 13.4-inch GMC Premium Infotainment System with Google Built-In compatibility and navigation, a 12.3-inch reconfigurable driver information centre, a 15-inch multicolor Head-Up Display, a Rear Camera Mirror, a Bose Premium Series 12-speaker audio system, wireless Apple CarPlay and Android Auto, SiriusXM with 360L, and OnStar Basics capability. Complete towing safety and driver assistance are provided by Sierra HD Pro Safety, featuring HD Surround Vision, Bed View Camera, Trailer Side Blind Zone Alert, Rear Cross Traffic Alert, Driver Safety Alert Seat, Front and Rear Park Assist, Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Lane Departure Warning, Following Distance Indicator, and IntelliBeam auto high beams. Stock # T4311871A AMVIC LICENSED DEALER Disclosure: No Damage History This vehicle was last registered in Alberta