2026 GMC Sierra 2500 HD Denali Onyx Black (VIN 1GT4UREY4TF348135) (Stock 36709)

2026 GMC Sierra 2500 HD Denali in Onyx Black commands the road with a presence that matches its heavy-duty capability. Whether you are hitching up for a long haul with the ProGrade Trailering System or navigating a job site, the 8-cylinder diesel engine delivers smooth, relentless power. The side bed step offers quick access to your gear, while the refined black interior creates a quiet, composed space for the long drive home. It is a truck built to handle the heavy lifting without sacrificing comfort or confidence.