This is a 3D model with ~ 2900 polygones and no textures, simple materials are used. There is the van's interior and you can animate doors, hood and wheel driver. Of course, the wheels are independant.
You can try it here :
Webplayer demo
Look at the other vehicles of the collection!
Forum
In the package, you will find the basic 3D model and a basic setup of the car based on the standard asset Unity.