The low poligons mesh needs subdivision or smoothing.
Once smoothed of 2 subdivisions the mesh has:
Tris:128.576
Vertis: 64.388
Tris: 128.576
Included the render example.ma and the file photoshop with compositing. Rendered by mental ray.
The maya file car comes with wheel controls, left-right for two front, and up-down absorber for any wheel.
The mesh is not rigged and not unwapped.