Since then, fans been waiting for the CTS-V. Cadillac's V series cars are high-performance versions of standard Cadillacs. The 2007 CTS-V, for instance, had a 400 horsepower engine compared to the 255 in the base car.
This time, the 2009 Cadillac CTS-V has a 550-horsepower supercharged V8 engine compared to the 304-horsepower available in the standard Cadillac CTS.
Last updated January 09 2008: 2:10 PM ET