The Dodge Charger and Challenger Hellcat have disrupted the American muscle car market more than any other car in the past decade. They offered some of the best horsepower-per-dollar figures of any American car in 2015, with 707 horsepower on tap for a starting price of only $60,990 for the Challenger and $66,990 for the Charger. That herd of ponies was produced from a supercharged 6.2 HEMI V8, which was Chrysler’s most powerful engine when the Hellcat was released.
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