The 1999 Mazda B2500 is available as a 2-door, 3-seat regular side. Starting at $11,345, the 1999 Mazda B2500 SX (M5) Regular Cab is powered by a 2.5L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 22-mpg in the city and 27-mpg on the highway. The top of the line 1999MazdaB2500(A4) Cab Plus 4 , priced at $ 17,615 , is powered by a 2.5L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 25-mpg on the highway.