These two Bentley Continental models are two types of the same model with one major difference, the modifications. First of all, the 2017 Bentley Continental Coupe GT Speed is priced $53,000 lower compared to the base MSRP of the 2017 Bentley Continental Coupe Supersports. Also, the 2017 Continental Coupe Supersports has a more powerful engine and gets 1 mpg less than the 2017 Continental Coupe GT Speed. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.