2026 GMC Sierra 2500 HD AT4X Onyx Black (VIN 1GT4UZEY7TF350638) (Stock 36743)

2026 GMC Sierra 2500 HD AT4X in Onyx Black commands attention, blending rugged capability with a refined Obsidian Rush leather interior. Whether you are navigating a demanding job site or towing heavy equipment for a weekend project, the integrated In-Vehicle Trailering App and robust Trailering Package simplify every haul. The side bed step offers quick, easy access to your gear, while the powerful diesel engine ensures you have the torque needed for any task. It is a truck built to handle serious work without sacrificing comfort or presence.