The Chevrolet Sonic Z-spec concept will debut at the North American International Auto Show on Monday, January 10, 2011 in Detroit, Michigan. The Z-spec will be unveiled with the 2012 Chevrolet Sonic hatchback and sedan production vehicles. The Sonic offers turbocharged performance, class-leading rear-seat roominess/cargo space and a variety of connectivity features. (Chevrolet Handout Photo)