Two Convertibles with some similarities, but otherwise different in most aspects such as the starting price, horsepower, fuel economy, market segment, height, and maximum occupancy. First of all, the 2016 Audi A3 Convertible is priced $236,100 lower compared to the base MSRP of the 2016 Ferrari 488 Spider. Also, the 2016 488 Spider has a more powerful engine and gets 9 mpg less than the 2016 A3 Convertible. In addition, the roofline of the A3 Convertible is slightly higher than the 488 Spider's. And then, the Audi A3 Convertible seats two more passengers than the Ferrari 488 Spider. Among similarities is the body structure.