Here's a video of what a Troller T4 is.  Ford owns the company.  I think if Ford was to bring this to the US and could keep quality at a decent level, it would shake up Jeep.  It's powered by a 3.2L Turbodiesel.  It's an all fiberglass body with an integrated tube roll-cage.  I'm sure the the body is light.  No rear 'trunk' but then who really cares about that with a Wrangler?  Everyone jstu throws their stuff into the back seat.
https://www.youtube.com/v/ulBnML5sdYo