Not really, ...all depends on year/mileage etc. I actually looked on Pistonheads & Autotrader to find my prices based on current ones for sale.
Link: http://www.autotrader.co.uk/classified/advert/201506274691944?radius=1501&make=nissan&search-target=usedcars&onesearchad=used%2Cnearlynew%2Cnew&model=gt-r&postcode=cf158rl&sort=priceasc&channel=cars&page=1&logcode=p
...and that's not even the cheapest one on there.