A search of ebay will give you a good idea.
In general prices for used parts range from free to outrageous.
Four wheel drive allows you to get stuck
in places even more inaccessible.
62 88 reg
67 NADA x2
74 Lightweight - The Antichrist (tag 6A666)
95 D1 - R380
95 D90 - R380
97 D1 - ZF