It seems so silly, but quad headlamps were illegal in the United States until all 48 states approved a measure to allow them. However, that does not mean all brands introduced quads at the same time. Looking at the below four cars currently listed for sale on AutoHunter or ClassicCars.com, can you tell us what they are?

Post your answers in the Comments section below. Be sure to tell us the model year and make; you get bonus points for correctly guessing the model. Think you can do it? If not, click on an image to score a cheat.

Click on a photo to reveal each car

You’ll find an automotive puzzle at The ClassicCars.com Journal every Tuesday and Saturday. Click here to find more Car Games!