13.4 Diagonal GMC Infotainment w/ Google Built-In | Duramax® 6.6L V8 Turbo Diesel | Denali Reserve Package | 15 Diagonal Head-Up Display | Heated & Ventilated Front Seats | Power Sunroof | GMC MultiPro Tailgate | Bose® Premium Speaker System The 2026 GMC Sierra 2500 4WD Denali Crew Cab, finished in a commanding Onyx Black with a sophisticated Jet Black interior, stands as the benchmark for heavy-duty luxury and performance. This truck is powered by the legendary Duramax® 6.6L V8 Turbo Diesel engine, paired with a smooth 10-speed automatic transmission. Built for uncompromising capability, the Denali features a 2-speed active Autotrac transfer case, an automatic locking rear differential, and digital variable steering. The interior is elevated by the Denali Reserve Package, which adds a multi-color 15 diagonal Head-Up Display, a Rear Camera Mirror, and a power sunroof. The cabin provides a first-class environment with 12-way power-adjustable heated and ventilated front seats, heated second-row outboard seats, and a heated wrapped steering wheel. Connectivity is seamless through the 13.4 diagonal GMC Premium Infotainment System with Google built-in, a 12.3 digital driver information centre, and the premium sound of a Bose® speaker system. Professional-grade utility is integrated into every detail, from the signature GMC MultiPro Tailgate and chrome assist steps to the spray-on bed liner. This Denali is ready for the most demanding tasks with the Max Trailering Package, which includes the Gooseneck/5th Wheel Prep Package and a reinforced 3500 HD frame with heavy-duty leaf springs. Safety is a priority with HD Surround Vision, Bed View Camera, and Adaptive Cruise Control. Complete with animated LED projector headlamps and 120V power outlets, this Sierra 2500 Denali delivers elite luxury without sacrificing an ounce of capability. Stock # AMVIC LICENSED DEALER