http://www.seattleglobalist.com/2014/05/19/not-just-your-grandmas-car-buicks-shine-in-chinese-luxury-market/25116
Buick was always pretty popular in China and they cost more than in US. The article shows 2013 data, so not sure about current info:
"In 2013, Buick sold more than 809,918 cars in...