The 2020 GMC Sierra Heavy Duty combines greater trailering capability with technologies designed to provide customers with a world-class towing experience.
- An enhanced ProGrade Trailering system featuring class-leading available 15 camera views, including a transparent trailer view to virtually see through a trailer in tow
- An available smart trailer designed to integrate the iN∙Command control system from ASA Electronics provides the ability to monitor and control select functions of compatibly equipped trailers through the myGMC mobile app
- available 15-inch-diagonal head-up display that offers useful trailering information, including vehicle speed, navigation information and an inclinometer display for the road grade
- Available Rear Camera Mirror
- MultiPro, the world’s first six-function tailgate, allows easier loading, unloading and bed access and is available on all trim levels
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