I have this car but in non-GT.
I'd like to address a couple comments in the article.
Leg room. I have size 12 feet, and 34" inseam. Shortage of leg room is not so much because of the engine layout, but other things, I've found. Leg room is worse on the passenger side than the driver side, because Subaru mounted computers inside the cabin under that rug area at the feet of the passenger, reducing leg room on that side by 3 to 4 inches. If they had only picked a different spot. (I am tempted to relocate these up under the dash on that side to gain back that space.)
Toe room. What I thought was a leg room problem is really a toe room problem. This applies to both driver and passenger. Under-dash cover up panels drop the toe room ceiling to a level that does not accommodate my size 12 shoes. Solution? Remove the popits on those panels, and take them out. One slight issue, you have to remove the OBD port on the driver's side and tuck it up under the dash, but no biggie. This procedure brings immediate relief to what is otherwise quite a confined space for the feet, and you get to twinkle your toes up under the dash (don't worry the blower motor has a grill on it ;-). I realize these panels would help with leg crash worthiness by keeping your feet better directed (downward) in a frontal. I guess I could possibly just dremel off only a few inches of these panels nearest the firewall and put them back on.. but?
I do find with my leg, that I need the furthest back position of the driver's seat on this car, even with it's "extra" 3 inches of room.
The other thing is the electronics harness for Outback and Legacy are pretty much identical. Regarding vehicle stability control, and tire pressure monitor, and even some other things you see on Tribeca... which also shares the same harness. You could add to Legacy if you so desperately desired. Buy the parts and plug 'em in to those sockets. Yes, I've seen the sockets on my Legacy - maybe in some markets they come equipped?
Cheers
Scott