I think they hit the mark quite well when compared to the right old Camaro. I think they were going for this type of look:
I'm very much in love with how it looks, inside and out.
Pontiac couldn't do much about the GTO because it's based off the Holden Monaro. They were only allowed so many sheet metal changes for it to still be produced in the same factory. Same thing with the G8 based off the Holden Commodore.