Cadillac announces 2011 Cadillac CTS-V Coupe, which debuted at the 2010 North American International Auto Show in Detroit. It combines a spectacular design the new Cadillac CTS Coupe with 556 horsepower (415-kW) V-8 engine supercharged Cadillac CTS-V sedan. The result is a luxury sports coupe aimed at driving enthusiasts. “Cadillac CTS-V Coupe to marry the most powerful technology, sophisticated...