The 2007 MINI Cooper S is available as a 2-door, 4-seat hatchback. Starting at $21,200, the 2007 MINI Cooper S Hatchback 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 36-mpg on the highway. The top of the line 2007 MINI Cooper S Convertible, priced at $25,400, is powered by a 1.6L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 24-mpg in the city and 31-mpg on the highway.