Inside the 'most powerful muscle car' ever made

The undisputed champion

2015 dodge challenger srt hellcat

With 707 horses under the hood, the new Dodge Challenger has won the fight for horsepower bragging rights. At least for now.

Watch: Chrysler unveils a 707 horsepower behemoth

Not even the recently unveiled Corvette Z06, with 650 horsepower, can touch the Challenger in terms of sheer power output.

First published August 6, 2014: 2:47 PM ET

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