The WRX has only been in the US for 2 years, so comparing it to the Mustang, which has been out since 1964 isn't a good comparison, but you are probably right.

WRX's w. empegs (that I can think of off the top of my head):
ithoughti
jimhogan
SE_Sport_Driver
loren (soon)
KungFuCow
fink08
my friend Nate (I don't think he's ever posted).
iceweasel (I think)