2026 GMC Sierra 1500 AT4X Summit White (VIN 3GTUUFEL5TG429212) (Stock )

2026 GMC Sierra 1500 AT4X in Summit White commands attention with a presence that feels as capable as it looks. Under the hood, the 420-horsepower V8 engine delivers effortless power, whether you are navigating rugged backcountry trails or merging onto the highway with confidence. Inside, the Obsidian Rush full-grain leather interior provides a refined, comfortable sanctuary after a long day of work or play. This truck is built for those who demand serious performance without sacrificing premium comfort, turning every drive into a capable, elevated experience.