Two Coupes with some similarities, but otherwise different in most aspects such as the starting price, market segment, horsepower, fuel economy, ground shadow size, height, and maximum occupancy. First of all, there is a $14,855 difference in the base MSRP. The 2016 BMW 4 Series Coupe has a higher starting price than the 2015 Dodge Challenger. Also, the 2015 Challenger has bigger and thirstier engine; the 2016 4 Series Coupe gets 4.5 more mpg. In addition, the 4 Series Coupe is both slightly smaller and shorter than the Challenger. And then, there is a difference in the number of passengers; the Dodge Challenger seats one more the BMW 4 Series Coupe. Among similarities are the body structure and market segment.