The 2018 Mazda MX-5 Miata is available as a 2-door, 2-seat convertible. Starting at $25,295, the 2018 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 33-mpg on the highway. The top of the line 2018 Mazda MX-5 Miata Grand Touring (A6), priced at $31,270, 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.