Description: SEE CTS-V TAKE ON M5 AND C63: www.edmunds.com Once you get your hands on a supercharged 556-horsepower 2009 Cadillac CTS-V, you know that you need a 500-hp 2008 BMW M5 with which to measure it. It's a matter of practical science. Of course, there's a sizable price difference between the $59995 CTS-V and the $86675 M5, and we don't want to get our comparison results skewed by mere money. Maybe we should add the 507-hp 2009 Mercedes-Benz E63 AMG to our science project. Trouble is, this Merc's ... |
