2026 GMC Sierra 2500 HD AT4X Coastal Dune (VIN 1GT4UZEY5TF352369) (Stock 36749)

2026 GMC Sierra 2500 HD AT4X in Coastal Dune commands attention whether it’s navigating a rugged job site or towing heavy gear to a remote campsite. The driver-selectable e-locking rear differential and 4WD capability provide the confidence to tackle uneven terrain, while the ProGrade Trailering System simplifies the heavy lifting. Inside, the Obsidian Rush full-grain leather creates a refined, durable cabin that balances hard-working utility with premium comfort. With the side bed step offering easy access to your cargo, this truck is built to handle demanding tasks without breaking a sweat.