The 2020 FIAT 124 Spider is available as a 2-door, 2-seat convertible. Starting at $25,390, the 2020 FIAT 124 Spider Classica is powered by a 1.4L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2020FIAT124 SpiderAbarth , priced at $ 29,390 , is powered by a 1.4L , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 26-mpg in the city and 35-mpg on the highway.