Many automakers have a design theme that defines all cars in their line to some degree. What comes to mind right off is the front end of Mazda, and Acura (ugh the beak). GM and Chrysler have done it too. Ohmygosh, anyone look at a BMW or Mercedes? I think in a few years the '13 and '14 Mustang will still look very nice, yet dated. The Fusion actually looks pretty good these days.