2026 GMC Sierra 2500HD AT4

SHELBYVILLE Auto Sales is proud to offer this powerful and refined 2026 GMC Sierra 2500HD AT4, equipped with the legendary 6.6L Duramax Turbo Diesel V8 for exceptional towing capability and performance. Finished in crisp white with aggressive AT4 styling, this heavy-duty truck combines rugged off-road capability with premium comfort and advanced technology. Features include bold black wheels, signature GMC grille styling, off-road suspension, premium interior appointments, advanced trailering technology, and a commanding road presence that stands out anywhere. Whether you need a dependable work truck or a luxurious daily driver with serious capability, this Sierra 2500HD AT4 delivers the best of both worlds.