Two Convertibles with more similarities, such as the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy, than differences, like the starting price, model year, and horsepower. First of all, there is a notable difference in the starting price of the 2014 BMW M6 Convertible, which is $100,900 less than the base MSRP of the 2016 Bentley Continental GT Convertible, which is two model years newer. And finally, the 2014 M6 Convertible has a more powerful engine than the 2016 Continental GT Convertible. Among similarities are the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy.