Tamiya 1:24 Sierra XR4i model kit, anyone know anything?

[Somnophore]

Hi guys, might not be in the right section, just wondered if anyone knew anything, found this kit this weekend and it's unmade in original box, from 1985! Anyone any ideas if it's rare or collectable?

[vdubbin]

Check in Scale Models : http://www.pistonheads.com/gassing/forum.asp?h=0&a...