What we have here are two Convertibles from Audi with some differences, such as the model year, starting price, horsepower, and fuel economy. First of all, there is a $41,300 difference in the base MSRP. The 2013 Audi RS 5 Convertible, an older vehicle by three model years, has a higher starting price than the 2016 Audi A3 Convertible. And finally, the 2013 RS 5 Convertible has a more powerful engine and gets 9 mpg less than the 2016 A3 Convertible. Among similarities are the body structure, market segment, height, and maximum occupancy.