The 2018 MINI Hardtop is available as a 2-door, 4-seat hatchback. Starting at $21,600, the 2018 MINI Hardtop Cooper 2dr is powered by a 1.5L , 3 -cylinder engine mated to a manual transmission that returns an EPA estimated 28-mpg in the city and 38-mpg on the highway. The top of the line 2018MINIHardtopOxford Edition 2dr , priced at $ 21,600 , is powered by a 1.5L , 3 - cylinder engine mated to a manual transmission that returns an EPA estimated 28-mpg in the city and 38-mpg on the highway.