Two Convertibles with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, fuel economy, ground shadow size, market segment, and height. First of all, there is a notable difference in the starting price of the 2016 FIAT 500 Convertible C Abarth, which is $19,705 less than the base MSRP of the 2016 Audi TT Convertible. Also, the 2016 TT Convertible has a more powerful engine and gets 14 mpg less than the 2016 500 Convertible C Abarth. In addition, the TT Convertible is significantly larger, but the roofline is slightly shorter than that of the 500 Convertible C Abarth. Among similarities are the body structure and maximum occupancy.