The oversized, inverted-pyramid grill makes me think of Audi. Especially the way it breaks the bumper line and continues down to the bottom of the fascia. The grill's rake and chevron-shaped cross pieces do kind of remind me of a train's cow catcher, but I think what they were going for was an art deco reference. The Germans seem to be really going after this idea of giving deco a new kind of "techno edge."

Here's the best example i can find without really trying: