A lot of people think that muscle cars â¤“ those high-powered vehicles that were so popular in the 1960s and the 1970s â¤“ are dead. If that's true, then Dodge probably did not get the memo. The 2015 Dodge Challenger found at top Indianapolis Dodge dealers like Fletcher Chrysler Dodge Jeep RAM certainly meets all expectations of a muscle car. If you want to roar down a road, feeling the engine thrum beneath your feet, this model will definitely meet your expectations.It's been five years since the Challenger was launched. Back then, the V-6 engine was powerful at 250 horsepower, though it was paired with a five-speed transmission that did not enable owners to get the most out of the engine. Dodge has since rectified this mistake by providing an upgrade for both engine and transmission.