You remember stegobeetle, don't you? Sure you do. Stegobeetle was the mean, green late-Jurassic-machine with a Volkswagon beetle for a body.
Stegosauria are some of the most widely recognized dinosaurs in history. And the Volkswagen beetle is one of the most iconic vehicles ever made. Combine the two, throw in some extra scrap metal, and you've got yourself some of the most badass dinosaur art this side of the Cretaceous.