Buick walked away from sedans in North America years ago, pouring all its attention into SUVs, yet thousands of miles away in China, the classic trunked four-door is still alive and doing just fine.

Buick may have pulled the plug on the Regal in the United States back in 2020, but over in China, the nameplate is alive and well, and it just got an update, complete with a new GS variant. Given the ...