Two Coupes with some similarities, but otherwise different in most aspects such as the starting price, height, horsepower, fuel economy, ground shadow size, and maximum occupancy. First of all, there is a $16,500 difference in the base MSRP. The 2016 Alfa Romeo 4C Coupe has a higher starting price than the 2015 Mercedes-Benz C-Class Coupe. Also, the 2015 C-Class Coupe has bigger and thirstier engine; the 2016 4C Coupe gets 4.7 more mpg. In addition, not only 4C Coupe is slightly smaller, but it's also significantly shorter than the C-Class Coupe. And finally, you'll seat two more passengers in the Mercedes-Benz C-Class Coupe than in the Alfa Romeo 4C Coupe. Among similarities are the body structure and market segment.