Two Convertibles with more similarities, such as the body structure, market segment, starting price, fuel economy, ground shadow size, and height, than differences, like the model year, horsepower, and maximum occupancy. First of all, the 2014 F-TYPE produces fewer horsepower than the 2016 M4 Convertible. Also, the M4 Convertible seats two more passengers than the F-TYPE. Among similarities are the body structure, market segment, starting price, fuel economy, ground shadow size, and height.