It is difficult to decide what can be listed or not.
Usually I avoid to list the cars when nothing except the dashboard+windscreen is visible, but saying "no car interior" is too strict I think.
For example I listed http://www.imcdb.org/vehicle_458426-Ford-Focus-2000.html because a big part was visible (and indeed it was quickly identified)

I agree that unidentifiable interiors/windscreens could be moved to comments.