When talking about American muscle cars powered by supercharged V8 power plants, two of the most popular nameplates will always be part of the conversation – the Ford Mustang Shelby GT500 and the new CT5-V Blackwing, the most powerful Cadillac ever.
Despite being a bit different in terms of form – one's a four-door sedan and the other's a two-door coupe – these two cars are almost on the same ground in power and performance. So much so that Edmunds had to put the two in a shootout to see which one's quicker.