Originally Posted by
tandempower
Look at the roof frame above the doors. Poles could be situated within or alongside those 'beams' in the chassis/frame and extended out so that the ends go just past the trunk. For additional support, other beams could extend upward (or flip upward) from the rear of the vehicle that connect with the ones extending from the roof. Then, you pick up your bike and hang the frame on the parts of the poles extending past the support poles coming up from the trunk.
Have you gone and talked with engineers at a manufacturing company about your idea? Before you continue with speculation, I suggest you do. Find out what is actually possible ... or not.