Three.js lists about half a dozen of car related demos including the one featured
http://mrdoob.github.com/three.js/
A real Camaro: http://mrdoob.github.com/three.js/examples/webgl_loader_ctm_...
A car you can actually control: http://helloracer.com/webgl/
Or even two of them: http://mrdoob.github.com/three.js/examples/webgl_materials_c...