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Overview
The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck capability combined with greater off-road versatility. It is highlighted by a bold exterior design, enhanced all-terrain ...

Anti-theft Alarm System
This vehicle has an anti-theft alarm system. ...

Cargo Cover
For vehicles with a cargo cover, it can be used to cover items in the rear of the vehicle. To install the cover, place the loops on each corner of the cover on the four hooks in the rear of the vehicl ...