Two Convertibles with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, fuel economy, ground shadow size, and height. First of all, the 2016 BMW 2 Series Convertible M235i is priced $96,990 lower compared to the base MSRP of the 2016 Maserati GranTurismo Convertible. Also, the 2016 GranTurismo Convertible has bigger and thirstier engine; the 2016 2 Series Convertible M235i gets 9 more mpg. In addition, although the 2 Series Convertible M235i is significantly smaller, it has a slightly taller body than the GranTurismo Convertible. Among similarities are the body structure, market segment, and maximum occupancy.