GM to debut Sierra concept truck at Detroit auto show

December 2010 News

GM plans to unveil a massive diesel truck concept during the North American International Auto Show in Detroit.

The Sierra All Terrain HD concept truck is a blend of luxury and strength.

It's built for off-roading, sits very high on its suspension for active work or lifestyle.

Refinements include a lighted retractable step and a built-in locking toobox.

The vehicle also features 20-inch wheels, 35-inch tires, racing shocks.

The Sierra All Terrain HD is a concept but depending on reactions at the auto show, you may see it go into production.

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