Just found this for curb weight specs for the wagon.
Front: 1820
Rear: 1335
Basically means 58% front, 42% rear. Much closer to the power distribution than I would have imagined.
I'm confused. You are aware that the power distribution (or torque distribution) is a distinctly different metric from weight distribution?
The torque distribution depends on the amount of traction available. Nominally (if all 4 tires have equal traction), the torque distribution is 50%/50% F/R. Of course, as a corner of the car begins to lose traction, this will vary significantly.
The STI has been through several nominal torque distributions depending on the year.
2004-2006 was 35% front 65% rear
2007-2017 was 41% front 59% rear
The 2018 model lost the Torsen center diff that debuted in 2007, so no word on the new nominal torque distribution. The WRX has always been 50/50.