The 2000 Porsche Boxster is available as a 2-door, 2-seat convertible. Starting at $41,430, the 2000 Porsche Boxster Base (M5) is powered by a 2.7L, 6-cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 28-mpg on the highway. The top of the line 2000 Porsche Boxster S (M6), priced at $49,930, is powered by a 3.2L, 6-cylinder engine mated to a manual transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway.