Two Convertibles with some similarities, but otherwise different in most aspects such as the starting price, horsepower, fuel economy, ground shadow size, height, and maximum occupancy. First of all, there is a $170,200 difference in the base MSRP. The 2018 Bentley Continental has a higher starting price than the 2018 Alfa Romeo 4C Spider. Also, the 2018 Continental has a more powerful engine and gets 13 mpg less than the 2018 4C Spider. In addition, the 4C Spider body is significantly smaller than the Continental, and in addition to that, it's also shorter. And finally, there is a difference in the number of passengers; the Bentley Continental seats two more the Alfa Romeo 4C Spider. Among similarities are the body structure and market segment.