Two Convertibles with some similarities, but otherwise different in most aspects such as the modifications, starting price, fuel economy, horsepower, ground shadow size, and height. First of all, there is a $135,600 difference in the base MSRP. The 2016 Bentley Continental GT Convertible V8 S has a higher starting price than the 2016 Porsche 911 Convertible. Also, the 2016 Continental GT Convertible V8 S has bigger and thirstier engine; the 2016 911 Convertible gets 5 more mpg. In addition, the Continental GT Convertible V8 S is both slightly larger and taller than the 911 Convertible. Among similarities are the body structure, market segment, and maximum occupancy.