Billy mccarthy

Hi lads new to the club but have had 14 subarus in 5 years so no fool with these cars but I have come to a question on my current subaru imlooking for a bit of help on the value of it 1998 ver4 Japan import gf8 with a upgraded vf28 turbo and few other extras what would be the value on this car as I have found it hard to buy a jdm classic wagon