The 2005 Mazda MX-5 Miata is available as a 2-door, 2-seat convertible. Starting at $22,098, the 2005 Mazda MX-5 Miata Cloth (M5) is powered by a 1.8L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 23-mpg in the city and 28-mpg on the highway. The top of the line 2005MazdaMX-5 MiataLS (M6) , priced at $ 25,553 , is powered by a 1.8L , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 23-mpg in the city and 28-mpg on the highway.