Two Convertibles with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, fuel economy, ground shadow size, and height. First of all, there is a notable difference in the starting price of the 2018 Alfa Romeo 4C Spider, which is $37,100 less than the base MSRP of the 2018 Jaguar F-TYPE Convertible R. Also, the 2018 F-TYPE Convertible R has a more powerful engine and gets 10 mpg less than the 2018 4C Spider. In addition, the 4C Spider body is slightly smaller than the F-TYPE Convertible R, and in addition to that, it's also shorter. Among similarities are the body structure, market segment, and maximum occupancy.