Hello Alexshelby, welcome to the forums.
About the German/Italian cars' being supermodels, and American cars being porn stars, which is a very good way to put it by the way - I always wonder why everyone in porno is considered a " star ". You do one porno that is seen by 10 horny people on late night Cinemax and all of a sudden you're a star?
I think the best of both worlds would be a car with supermodel looks ( Lamborghini ), motherlike qualities ( station wagon ), with porn star ability ( Viper ). But then, we would be looking at one unusual car.

As in real life, it may not be that common, but it's probably around somewhere.