Two Coupes with some similarities, but otherwise different in most aspects such as the modifications, horsepower, height, starting price, fuel economy, ground shadow size, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2015 BMW 2 Series Coupe M235i xDrive, which is $11,000 less than the base MSRP of the 2016 Alfa Romeo 4C Coupe. Also, the 2015 2 Series Coupe M235i xDrive has bigger and thirstier engine; the 2016 4C Coupe gets 4 more mpg. In addition, the 4C Coupe body is slightly smaller than the 2 Series Coupe M235i xDrive, and in addition to that, it's also significantly shorter. And then, you'll seat two more passengers in the BMW 2 Series Coupe M235i xDrive than in the Alfa Romeo 4C Coupe. Among similarities are the body structure and market segment.