The plant, currently with 2,047 employees, builds heavy duty versions of the Chevrolet Silverado and GMC Sierra. Sales of the trucks, redesigned for the 2011 model year, resulted in a claimed additional 2.4 percentage points of market share (to the end of May), bringing GM’s total heavy duty share to 36%.
Last January, GM said it would add a third shift at Flint, returning 750 jobs to the factory.
The automaker this week claimed its retail share of the full size pickup market grew to 40.4% to the end of May compared with 37.7% in the first five months of 2010.
The latest investment is part of $2bn GM is spending that will create or retain about a claimed 4,000 jobs in 17 facilities in eight states over the next 18 months.