Germany's Nürburgring Nordschliefe is 12.9 miles of thick, close forest; 73 corners; and 1000 feet of elevation change. Jackie Stewart called it the Green Hell. It's the world's most dangerous race track, and we drove it in a Buick Regal.

There's no hiding that the Chinese love them some Buicks, so what's better than shoving seven Chinese into a new Orlando-based Buick MPV Concept that's debuting at the Shanghai Auto Show next week.