1. Rear seat room.
2. I found the vehicle concept intriguing and identify with it. I like the blending of the various attributes of a sedan, wagon and a SUV.
Below's a great TED talk of Chris Bangle (former BMW design head) discussing how a team of engineers & designers set out in the early 2000s to find "the next thing after the SUV". Their work resulted in a bunch of concept cars and the creation of the PAS (Performance Activity Sedan) -> the 5 Series Gran Turismo.
https://www.ted.com/talks/chris_bang...rt?language=en