Well, it was the first post-WWII 8-cylinder of the Audi NSU Auto Union company, the first premium class limousine (this term used in the German meaning, not the American) with permanent four wheel drive and was with only 21.000 made made alwys a rarity.
I'm very sure, that you never ever have seen one in the real life - while of the Montero and its plenty of badge-egineered derivates is to find all over the world in hundreds of thousands numbers. Plus the fact, that it's nothing more than one of the several primitive truck-technology based offroaders.

Before becoming off-topic again: maybe our experts can check at howmanyleft.co.uk about the survivors in the UK.
In Germany 1733 were left in 2010 http://www.razyboard.com/system/morethread-zulassungszahlen-audi-v8-quattro20v-1637460-6066748-0.html