Notice the shots are from a Chinese auto-show. Buick (别克) is actually one of the more popular American car brands there and is considered luxurious. In fact some of the Buick models there are fancier, and longer wheelbase than the ones in America (the LaCrosse for instance).
Im lovin the fluid almost seamless body lines from the wide sculptured front end to the smooth tear drop tail end. It has an aggressive stance but with a high-class touch.Too bad its just a concept.