http://carsalesbase.com/china-car-sales-analysis-2017-brands/
Have to say this site is great for looking at the numbers. Will say that Buick slipped from #2 in 2016 to #4. Check out the list for the full 77 auto manufactures in China. WOW 77 auto companies.
Sales pecking order is as follows:
VW top dog
Honda
Geely
Buick
Toyota
Nissan
Changan
Baojun
Haval
Ford
Hyundai
Dongfeng
Chevrolet
BAIC
Audi
Wuling
GAC
Chery
Mercedes-Benz
BYD
SAIC Roewe
BMW