Two Convertibles with some similarities, but otherwise different in most aspects such as the starting price, horsepower, fuel economy, and ground shadow size. First of all, the 2015 BMW Z4 is priced $19,150 lower compared to the base MSRP of the 2016 Jaguar F-TYPE Convertible. Also, the 2016 F-TYPE Convertible has bigger and thirstier engine; the 2015 Z4 gets 3 more mpg. And finally, the Z4 is slightly smaller than the F-TYPE Convertible. Among similarities are the body structure, market segment, height, and maximum occupancy.