Press Release

[2010-12-16] GMC Sierra All Terrain HD Concept Takes Heavy-Duty Capability To New Ground

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 suspension and premium details expected of a GMC - all designed to enable greater access to off-road destinations. The new 2011...