Two Convertibles with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, fuel economy, ground shadow size, height, and maximum occupancy. First of all, there is a $100,600 difference in the base MSRP. The 2018 Bentley Continental GT Supersports has a higher starting price than the 2018 Mercedes-Benz SL-Class SL 65 AMG. Also, the 2018 Continental GT Supersports has bigger and thirstier engine; the 2018 SL-Class SL 65 AMG gets 2 more mpg. In addition, not only Continental GT Supersports is slightly larger, but it's also taller than the SL-Class SL 65 AMG. And then, there is a difference in the number of passengers; the Bentley Continental GT Supersports seats two more the Mercedes-Benz SL-Class SL 65 AMG. Among similarities are the body structure and market segment.