Two Convertibles with some similarities, but otherwise different in most aspects such as the height, starting price, horsepower, ground shadow size, and maximum occupancy. First of all, there is a $6,830 difference in the base MSRP. The 2017 Mazda MX-5 Miata RF has a higher starting price than the 2017 Volkswagen Beetle Convertible. Also, the 2017 Beetle Convertible has a more powerful engine than the 2017 MX-5 Miata RF. In addition, the MX-5 Miata RF is both slightly smaller and significantly shorter than the Beetle Convertible. And finally, you'll seat two more passengers in the Volkswagen Beetle Convertible than in the Mazda MX-5 Miata RF. Among similarities is the body structure.