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 2007MINICooper SConvertible , 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.