What do these cars have in common?

Four cars The following models are all listed on AutoHunter or ClassicCars.com. They are obviously from different brands, but they have something in common. Can you tell us what it is?

This may require you to click on each auction or ad, so we won’t ask you to identify the year, make, and model. But they all have something very unique in common, so start sleuthing!

Click on each image to see each vehicle

You can find car puzzles every Tuesday in The ClassicCars.com Journal. You can also try out past car games here!