Two Convertibles with some similarities, but otherwise different in most aspects such as the modifications, starting price, height, market segment, horsepower, fuel economy, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2016 Bentley Continental GT Convertible Speed, which is $178,200 less than the base MSRP of the 2015 Lamborghini Aventador Convertible. Also, the 2015 Aventador Convertible has a more powerful engine than the 2016 Continental GT Convertible Speed, and it gets 3 fewer miles on a gallon of fuel. In addition, the Continental GT Convertible Speed has a significantly taller body than the Aventador Convertible. And then, there is a difference in the number of passengers; the Bentley Continental GT Convertible Speed seats two more the Lamborghini Aventador Convertible. Among similarities are the body structure, market segment, and ground shadow size.