Nighthawk's Countach post got me to thinking, since the Countach looks like it has such a low drag coefficient but really has a high one:
What cars that look slippery but really aren't aerodynamic?
It's kind of a hard one, but it would be interesting to hear what people have to say. Also, conversely, the bonus question is:
What cars that look boxy and un-aerodynamic really are aerodynamic?