Two Convertibles with some similarities, but otherwise different in most aspects such as the starting price, fuel economy, horsepower, ground shadow size, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2016 Mercedes-Benz E-Class Convertible, which is $83,490 less than the base MSRP of the 2016 Maserati GranTurismo Convertible. Also, the 2016 GranTurismo Convertible has a more powerful engine and gets 6.5 mpg less than the 2016 E-Class Convertible. In addition, the GranTurismo Convertible is slightly larger than the E-Class Convertible. And finally, you'll seat two more passengers in the Mercedes-Benz E-Class Convertible than in the Maserati GranTurismo Convertible. Among similarities are the body structure, market segment, and height.