The 2020 Mazda MX-5 Miata is available as a 2-door, 2-seat convertible. Starting at $26,580, the 2020 Mazda MX-5 Miata Sport (M6) is powered by a 2.0L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 26-mpg in the city and 34-mpg on the highway. The top of the line 2020MazdaMX-5 Miata100th Anniversary (A6) , priced at $ 33,195 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 26-mpg in the city and 35-mpg on the highway.