What's The Most Powerful Muscle Car In History?Raphael Orlove7/02/14 11:30amFiled to: question of the daymuscle carsdodge challenger srt hellcatqotd3269EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkEven more than speed, muscle cars are about power.AdvertisementGoing fast is one thing, but there are lots of ways to go fast. A muscle car is well and truly about big power. The speed produced is almost secondary to the roaring, tire-melting engines at hand.Which is why the Hellcat is so great. The car could certainly be just as fast with less weight and less power, but what would be the fun in that? Why not have 707 hp?