Once the Chinese catch on to the idea, they'll make a $10 bumper that fits anything from a Toyota Prius to a Dodge Dart. But for now, only one car can get the McQueen smile: the Suzuki Twin.

Lightning McQueen ... and early fifth generation stock cars from 1992 to 2006 like the Chevrolet Monte Carlo and Ford Taurus. Those designs incorporate the sticker headlights, a rounded front ...