The 640 bhp 200 mph 2016 Cadillac CTS-V

2014 will probably be remembered for many things, but for EngageSportMode, it’s going to be the year when American car manufacturers decided to go all out in the search for cars with ridiculous horsepower. But, after the Dodge Hellcat twins, is 640 bhp enough in this day and age? Six hundred and forty horsepower, in a four-door saloon sedan….