Made in Blender 2.70 for Cycles rendering. Rigged with constraints for physical simulations. All you have to do is just drag CTRL-dummy (circle under the model) in place you want and hit ALT+A (or play button on a timeline).
Layer 1 – contains Dummy model Layer 11 – constraints for physical reaction
Layer 2 – contains Car-base Layer 12 – constraints for physical reaction
FBX/Obj contains only dummy model without constraints.
Dummy has 5 textures with resolution 4096×4096 for your needs (color with scratches, plain color, bump, normals, specular)