Two Convertibles with more similarities, such as the body structure, market segment, height, and maximum occupancy, than differences, like the modifications, starting price, horsepower, fuel economy, and ground shadow size. First of all, there is a $202,300 difference in the base MSRP. The 2016 Bentley Continental GT Convertible Speed has a higher starting price than the 2016 Audi S5 Convertible. Also, the 2016 Continental GT Convertible Speed has a more powerful engine than the 2016 S5 Convertible, and it gets 6 fewer miles on a gallon of fuel. In addition, the body structure of S5 Convertible is slightly smaller than that of the Continental GT Convertible Speed. Among similarities are the body structure, market segment, height, and maximum occupancy.