The mule is still heavily camouflaged, you can't tell too much from it. The front is slightly shorter in reality and the rear will surprise a lot of people.
As long as the real thing doesn't look like the overweight Lexus in the photographs we should be OK. BUT, Porsche is the company that gave us the Cayenne so we should be prepared for the worst in appearance - I am sure the quality and capability of the car will be fine though.
If you look at the roof line about half way, you can see a bump where the rear end camo is added. That whole Lexus roof, C pillar, and hatch are added on.