Two Convertibles, but completely different in all significant aspects: modifications, fuel economy, ground shadow size, height, model year, starting price, horsepower, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2014 Mazda MX-5 Miata, which is $2,975 less than the base MSRP of the 2016 FIAT 500 Convertible C Abarth, which is two model years newer. Also, the 2014 MX-5 Miata has a more powerful engine than the 2016 500 Convertible C Abarth, and it gets 16 fewer miles on a gallon of fuel. In addition, although the 500 Convertible C Abarth is significantly smaller, it has a taller body than the MX-5 Miata. And then, there is a difference in the number of passengers; the FIAT 500 Convertible C Abarth seats two more the Mazda MX-5 Miata. Among similarities are the body structure and market segment.