Max 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. The interior, exterior, avangarde front and elegance front are stored in separated layers so you can hide or unhide them easily.

Obj Format:
In 3 different resolutions ranging from 69052 to 824797 Polygons. Interior, exterior with avantgarde front and exterior with elegance front 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 Maya/XSI or any Programms supporting SubD.

3ds Format:
In 3 different resolutions ranging from 133758 to 1646819 Polygons. Interior, exterior with avantgarde front and exterior with elegance front are saved separately so you can render the car also without the interior.