And some "chipped" diesels can make 200+ ftlbs more torque over stock.
I think you're trying to compare apples to oranges. I don't think comparing the two is fair since so many factors between the Subies and the Audi's are different. Power is not just a factor of displacement. But, obviously, the Audi's seem to "suffer" from a more conservative factory map, given the hardware, than our cars.