Well, they are almost all Trying harder for good styling than good streamlining. It isn't easy. My collection of pics of efficient cars is a warning against letting engineers draw anything visible. It would be nice, however, if a stylist and an aerodynamicist were to collaborate some day. Here's one from the late 70's with a cd of .201
Popular Science - Google Books which was at least associated with a styling house.
The article makes many good points, and the illustration shows the steepest rear window I'd trust with my air - 22 deg. A newer design would probably do more to fair the wheels.