We review your priorities and look for the simplest solutions.
Hybrid collapsible hardwall campers solves the frontal reduction & still have usable (standing) volumes. Smaller SUV's and lower displacement vehicles could now pull larger campers. Unfortunately, Hi-Lo Trailers are going out of business and may have great deals.
http://www.campingearth.com/images/t...d-and-open.jpg
http://www.travelizmo.com/archives/t...r-interior.jpg