The 2008 Mazda Mazda3 is available as a 4-door, 5-seat sedan. Starting at $13,995, the 2008 Mazda Mazda3 i Sport (M5) Sedan is powered by a 2.0L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 24-mpg in the city and 32-mpg on the highway. The top of the line 2008 Mazda Mazda3 i Touring (A5) Sedan, priced at $17,155, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 31-mpg on the highway.