You mean the 'D' in EJ25D means diesel?Petrol not diesel bro... U realize ''D'' mean diesel. This is MI spec legacy, mean local import EDM AUS spec legacy. Yes 2.5 GT is turbo, engine code EJ255.
As i say check the VIN plate, can tell u all that is to know.
Subaru Legacy (fourth generation) - Wikipedia, the free encyclopedia
Mind to share the source?
From what I read Subaru diesel engines are coded EE.