The photos in that article might not be of a real chassis design. If you look at the recent test drives of actual cars in the US, e.g. here [1] or [2], the design is a more conventional S-class type.

The prototype design looks much more sleek to me, but I'm not a car guy, and I think all modern cars are ugly.

[1] https://www.youtube.com/watch?v=sMNnOosjrBo

[2] https://www.youtube.com/watch?v=gzcR8RaC3-g