2026 GMC Sierra 3500 HD Denali Onyx Black (VIN 1GT4UWEY9TF242956) (Stock 36553)

2026 GMC Sierra 3500HD Denali in Onyx Black commands the road with effortless authority. Under the hood, the 6.6L turbo-diesel engine delivers the raw power needed to haul heavy loads or navigate demanding terrain with ease. Inside, the cabin offers a refined escape, featuring a heated steering wheel and a panoramic sunroof that opens up the interior. Whether you’re tackling a tough job site or heading out for a long-haul weekend, this truck balances heavy-duty capability with the premium comfort required for the long road ahead.