The 2001 Mazda Protege is available as a 4-door, 5-seat sedan. Starting at $12,765, the 2001 Mazda Protege DX (M5) is powered by a 1.6L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 29-mpg in the city and 34-mpg on the highway. The top of the line 2001MazdaProtegeMP3 (M5) , priced at $ 18,020 , is powered by a 2.0L , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 25-mpg in the city and 31-mpg on the highway.