GM Market Share Dips, Exec says 2014 Will Bring Change By Luke Vandezande Jan 07 2013 Share this Article Tweet General Motors’ market share is currently below 18 percent, down from 19.6 percent in 2011 and enough to raise a few eyebrows. Continue Reading... Filed under: American Featured Articles GMTags: GM, low market share, market share, new cars coming, new product line, poor market share, sales slump