2026 GMC Sierra 3500 HD AT4 Sterling Metallic (VIN 1GT4UVEY1TF377763) (Stock 36820)

2026 GMC Sierra 3500 HD AT4 in Sterling Metallic is built to handle the heavy lifting with effortless composure. The potent diesel engine provides the torque needed for serious towing, while the ProGrade Trailering System simplifies hitching and hauling, whether you’re moving equipment or a heavy trailer. With 4WD capability and a practical side bed step for easy cargo access, this truck is designed for demanding workdays and long hauls alike. Inside, the black interior offers a refined, durable space that keeps you comfortable even when the job gets tough.