In my opinion, classic car is more than just an old car. Classic car should be in good condition, reasonable mileage and as original as possible. These day people just put up a high price tag on their Subaru and say" this is a collectible car" just because of the age is over 20 years old. Most of them are average to poor condition with lots on k done on the car.
Back to the topic, I have run the chassis number GF8-015083 on Subaru Japan Website and returned it as a 1995/08 STI Version II Wagon.