2021 GMC Sierra HD

The 2021 GMC Sierra Heavy Duty enhances the trucks premium trims and includes an enhanced ProGrade trailering system with 15 available camera views, including a transparent trailer view to virtually see through a trailer in tow. Additional features include:

• HD Surround Vision
• Bed View technology
• Available smart trailer designed to integrate the iN∙Command control system to monitor and control select trailer functions via the myGMC mobile app
• Optional 15-in. diagonal head-up display offers trailering information such as vehicle speed, navigation information and inclinometer display for road grade
• Black Diamond Edition will include 20-inch high-gloss black wheels and new power-retractable assist steps
• Rear Camera Mirror option
• MultiPro six-function tailgate allows easier loading, unloading and bed access and is available standard on SLE