Ugh
I think the design concept is hideous. Sorry, but the old GN's had so much 'character' in the angular (but non-aerodynamic) body style. This new conception looks so much like yet ANOTHER one of GM's bars of soap.
In my view, if GM were to build another GN (and I doubt VERY seriously if you will EVER see another true performance Buick) it should look very retro, similar to what Ford did with the Mustang.
These new rounded off noses and trunks of the new cars today - while being more efficient in the wind tunnel - have absolutely no individual identity.
The GTO? While it's a good idea, it looks ridiculous. No character, no personality, just GM trying to cash in on a name.
If they can't build something better all around than the old muscle car used to be then they should leave the name alone. A GN is not a GN unless it has a Turbo, RWD, a big fat trunk and a back seat you can put 3 people in. It needs to absolutely ooze attitude with a kiss my ass kind of look, not look like like yet another one of GM's soul-less vehicles.
Using an import (sorry, but the Autstralian built platform is an import in my view) is just another case of GM's total lack of engineering and market savvy.
Leave the GN and GNX dead unless the new product is befitting of the name. This 'concept' does NOT fit that criteria.