Originally Posted by UltimateBMW
I find it funny that it has such a large spoiler and then also claims that the coefficient of drag is only 0.27. Spoilers typically are used for creating downforce, thus creating drag. If there is so little drag, then what is that Spoiler really doing up there sitting so high.
That figure is from its Toyota sibling but we can assume the same value for the Subaru base version (non STI).
Apparently you can improve the aerodynamics even further with several factory upgrade parts. See Toyota FT86: