Two Coupes with some similarities, but otherwise different in most aspects such as the modifications, horsepower, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy. First of all, there is a $7,405 difference in the base MSRP. The 2016 BMW M4 Coupe has a higher starting price than the 2015 Dodge Challenger SRT Hellcat. Also, the 2015 Challenger SRT Hellcat has a more powerful engine than the 2016 M4 Coupe, and it gets 4 fewer miles on a gallon of fuel. In addition, not only M4 Coupe is slightly smaller, but it's also shorter than the Challenger SRT Hellcat. And then, you'll seat one more passenger in the Dodge Challenger SRT Hellcat than in the BMW M4 Coupe. Among similarities are the body structure and market segment.