Two Convertibles with some similarities, but otherwise different in most aspects such as the starting price, horsepower, ground shadow size, height, and maximum occupancy. First of all, there is a $9,250 difference in the base MSRP. The 2015 Mercedes-Benz E-Class Convertible has a higher starting price than the 2016 Porsche Boxster. Also, the 2016 Boxster produces fewer horsepower than the 2015 E-Class Convertible. In addition, not only E-Class Convertible is slightly larger, but it's also taller than the Boxster. And finally, you'll seat two more passengers in the Mercedes-Benz E-Class Convertible than in the Porsche Boxster. Among similarities are the body structure, market segment, and fuel economy.