Demand for 2015 Dodge Challenger and Charger SRT Hellcats is at such a fevered pitch that all of the available 2015 model-year cars have already been snapped up. It appears that even Dodge was caught unawares by the brisk sales these high-performance muscle cars have generated, which is why the automaker announced that it is doubling down on production of its 2016 model-year Dodge Hellcat vehicles
