Two Sedans with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, fuel economy, market segment, and height. First of all, there is a $9,495 difference in the base MSRP. The 2015 Subaru WRX STI Launch Edition has a higher starting price than the 2016 Acura ILX. Also, the 2015 WRX STI Launch Edition has a more powerful engine than the 2016 ILX, and it gets 10 fewer miles on a gallon of fuel. In addition, the ILX has a slightly taller body than the WRX STI Launch Edition. Among similarities are the body structure, ground shadow size, and maximum occupancy.