Max 6.0 Format:
Meshsmooth is applied so you can set the object resolution as you like. Just use the Named Selection Set meshsmooth to select the SubD objects and the Named Selection Set interior for the interior. The doors are animated.
The polygon count is 168160 polygons at meshsmooth level 0

Maya 8.0 Format:
In 3 different resolutions ranging from 337543 to 3101121 polygons. Interior and exterior are saved separately so you can render the car also without the interior.

Cinema 4D 9.6 Format:
In 3 different resolutions ranging from 337543 to 3101121 polygons. Interior and exterior are saved separately so you can render the car also without the interior.

Lwo 6.0 Format:
In 3 different resolutions ranging from 337543 to 3101121 polygons. Interior and exterior are saved separately so you can render the car also without the interior. The lowest poly-version is the SubD. hull. So you can use it easily as SubD in XSI or any Software supporting SubD.

Obj Format:
In 3 different resolutions ranging from 337543 to 3101121 polygons. Interior and exterior are saved separately so you can render the car also without the interior. The lowest poly-version is the SubD. hull. So you can use it easily as SubD in XSI or any Software supporting SubD.

3ds Format:
In 3 different resolutions ranging from 337343 to 3100987 triangles. Interior and exterior are saved separately so you can render the car also without the interior.

Previews rendered in XSI.