New 2026 GMC Sierra 2500 HD AT4 For Sale Old Saybrook, CO

Experience the power and capability of the new 2026 GMC Sierra 2500HD AT4, finished in a stunning gray exterior. With only 4 miles on the odometer, this truck is ready for your next adventure or toughest job. Equipped with a robust 6.6L V8 GAS engine and advanced 4WD system, it delivers exceptional performance in any condition. The AT4 trim offers premium features and off-road capability, making it the perfect choice for drivers who demand strength, style, and innovation. Don't miss your chance to own this impressive Sierra 2500HD-visit us today for a test drive!