Two Convertibles with some similarities, but otherwise different in most aspects such as the modifications, starting price, fuel economy, model year, horsepower, and ground shadow size. First of all, there is a notable difference in the starting price of the 2016 Porsche 911 Convertible, which is $47,100 less than the base MSRP of the 2014 Maserati GranTurismo Convertible Sport, which is two model years older. Also, the 2014 GranTurismo Convertible Sport has a more powerful engine and gets 6 mpg less than the 2016 911 Convertible. In addition, the GranTurismo Convertible Sport is slightly larger than the 911 Convertible. Among similarities are the body structure, market segment, height, and maximum occupancy.