The 2026 GMC Sierra 2500HD AT4, dressed in a striking Onyx Black, is the embodiment of 4x4 power and sophistication. This truck is engineered for unmatched handling and performance, whether you're cruising city streets or tackling off-road trails.From its robust 20-inch high gloss black aluminum wheels and aggressive BF Goodrich off-road tires to its sleek AT4 badge and black power retractable assist steps with LED lighting, this truck exudes confidence and capability. The spacious Crew Cab features black perforated leather seats with Kalahari accents, offering a premium interior experience ideal for both comfort and style.Equipped with a state-of-the-art 13.4-inch diagonal premium GMC infotainment system, this Sierra comes with Google Built-in apps, a multi-color 15-inch diagonal head-up display, and a rear camera mirror for cutting-edge technology at your fingertips. Experience peace of mind with driver assistance features such as lane assist, adaptive cruise control, and parking sensors, ensuring safety is a priority.This vehicle caters perfectly to those who demand luxury and durability in their trucks. If you're an adventure seeker or a professional seeking a high-performing work companion, look no further. Contact Peter Boyer Chevrolet Buick GMC today for more information on making this powerful 2026 GMC Sierra 2500HD AT4 your own.