2026 GMC Sierra 3500 HD AT4 Summit White (VIN 1GT4UVEY8TF381101) (Stock 36812)

2026 GMC Sierra 3500 HD AT4 in Summit White commands the job site and the open road with equal authority. The powerful diesel engine and ProGrade Trailering System make heavy towing feel effortless, while the 4WD capability ensures you stay in control regardless of the terrain. Thoughtful details like the side bed step provide quick access to your gear, keeping your workflow efficient. Inside, the black interior offers a refined, durable space that handles long hauls with ease, turning demanding work days into a comfortable, confident experience.