Two Convertibles with some similarities, but otherwise different in most aspects such as the model year, starting price, horsepower, ground shadow size, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2016 Porsche 911 Convertible, which is $10,500 less than the base MSRP of the 2014 Mercedes-Benz SL-Class, which is two model years older. Also, the 2016 911 Convertible pulls more horsepower than the 2014 SL-Class. In addition, the SL-Class has a slightly larger body than the 911 Convertible. And finally, the Porsche 911 Convertible seats two more passengers than the Mercedes-Benz SL-Class. Among similarities are the body structure, market segment, fuel economy, and height.