Because the Leaf, depending on your perspective; is a revolution in the world of cars, a little niche PD want to fill, a Nissan sponsorship deal or a pile of crap.
The Auto Union isn't for probably the same reason a majority of cars from the older parts of the series aren't: licensing and modeling.
I've noticed over the past few days all you do is spend you're time telling people to not create threads that exist elsewhere! Maybe they are new and have looked without success. Maybe they have asked questions elsewhere and have gotten no answers. You remind me of a character in Seinfeld, can you guess what it is? NO soup for you!
