The Porsche 4x4 is a 597 Jagdswagen. They designed them for the military, but it ended up being too expensive.

Are all those concept cars (Ford, Volkswagen, Peugeot, Bugatti) privately owned? There's no displays or even tents around them, which seems like the minimum their manufacturer would do if they were exhibiting them.

I was very surprised to see they had an AMX/3 there. There's 47 Tuckers remaining, but AMC only made 7 AMX/3s, and one of those doesn't run.