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13.4 Diagonal GMC Premium Infotainment | Duramax® 6.6L V8 Turbo-Diesel | AT4 Premium Plus Package | Max Trailering Package | 15 Diagonal Head-Up Display | Gooseneck/5th Wheel Prep Package | 20 High Gloss Black Aluminum Wheels | Bose® Premium Speakers The 2025 GMC Sierra 2500 HD 4WD AT4, finished in the sophisticated Titanium Rush Metallic with a Jet Black and Kalahari interior, is a heavy-duty powerhouse engineered for elite off-road performance and massive towing capability. Driven by the legendary Duramax® 6.6L V8 Turbo-Diesel engine and an Allison® 10-speed automatic transmission, this truck features the Max Trailering Package, which incorporates a 3500 HD frame, leaf springs, and a 12 rear axle. Its rugged stance is elevated by dealer-installed 20 high gloss black aluminum wheels, off-road high clearance steps, and an Autotrac 2-speed active electronic transfer case. The cabin is a sanctuary of premium luxury and high-tier technology, further enhanced by the AT4 Premium Plus Package. The driver is centered around a 13.4 diagonal colour touchscreen with Google built-in, a 15 diagonal multicolour Head-Up Display, and a Rear Camera Mirror. Comfort is prioritized with heated and ventilated front seats, heated second-row outboard seats, and a power sunroof. The interior experience is bolstered by a Bose® premium sound system, wireless charging, and a heated wrapped steering wheel, while premium floor liners provide long-lasting protection. Utility and safety are at the forefront, featuring the GMC MultiPro tailgate, a factory spray-on bedliner, and the Gooseneck/5th Wheel Prep Package. The Sierra HD Pro Safety suite offers a comprehensive security layer, including HD Surround Vision, Trailer Side Blind Zone Alert, and Adaptive Cruise Control. Complete with animated LED projector headlamps, dual alternators, and a bed view camera, the 2025 Sierra 2500 AT4 is an uncompromising machine built for those who demand the highest level of performance both on and off the job site. Stock #ALC1404A AMVIC LICENSED DEALER

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