
The idea is as old as hot-rodding itself. Take a familiar production model, stuff in the biggest, baddest V8 you can find and -- voilà ! -- you have an unassuming set of wheels that will leave even dedicated sports car drivers wondering what just happened as your taillights disappear in a cloud of tire smoke. While the 2010 Cadillac CTS-V bears little physical resemblance to Detroit's original muscle cars, the parallels are hard to ignore. Using the same basic formula that turned mild-mannered cars like the 1965 Pontiac Tempest into the much-celebrated GTO, Cadillac engineers have transformed their mainstream luxury sedan into a high-performance...