The 2015 Nissan LEAF is available as a 4-door, 5-seat hatchback. Starting at $29,010, the 2015 Nissan LEAF S is powered by a , 0-cylinder engine mated to an automatic transmission that returns an EPA estimated 126-mpg in the city and 101-mpg on the highway. The top of the line 2015 Nissan LEAF SV w/17 Wheels, priced at $32,100, is powered by a , 0-cylinder engine mated to an automatic transmission that returns an EPA estimated 126-mpg in the city and 101-mpg on the highway.