Cadillac CTS-V Racing Coupe crosses the finish line in Detroit

Cadillac has unveiled the new CTS-V Racing Coupe at the 2011 North American International Auto Show in Detroit. Specifically designed for the Sports Car Club of America (SCCA) World Challenge GT Series, the racer was jointly developed with Pratt & Miller and features a carbon fiber body, a ventilated hood, an aggressive diffuser, and a massive rear wing. The engine specifications weren't released, the car will undergo testing at the Sebring International Raceway before making its debut at a World Challenge GT event in March.

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Held once every two years the Frankfurt Auto Show IAA (Internationale Automobil Ausstellung) is the largest in the industry.

From Volkswagen to BMW, from Mercedes to Porsche, the German automakers take center stage at the Frankfurt Motor Show.