The 2020 Acura ILX is available as a 4-door, 5-seat sedan. Starting at $25,900, the 2020 Acura ILX Base is powered by a 2.4LL , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 34-mpg on the highway. The top of the line 2020AcuraILXTechnology & A-Spec Packages , priced at $ 31,780 , is powered by a 2.4LL , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 34-mpg on the highway.