Buick and Chevrolet design director, John Cafaro, said it was hired by General Motors to draw a sports coupe that will debut more than three years. Future models could be sold under the Buick logo and will target a younger clientele.

A recent study shows that the average age of Buick customers is 70 years, a big problem for American brand, which in an attempt to escape the heavy burden that has built a number of interesting sites concept car.

The most notable appearances were Riviera Concept (photo), presented in 2007 at Shanghai, and Regal GS Concept, which debuted earlier this year in Detroit, announcing future performance sedan series, actually the American version of Opel Insignia OPC .

So far it is unknown whether any of these prototypes will be the basis for future sports coupe from Buick, but it is possible that its design to join the new direction of the Buick, which debuted on the Riviera concept.