Wentzville Assembly


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1500 E Rte A
Wentzville, MO. 63385 United States

Year Opened:

1983-Assembly; 1997-Stamping

Facility Size:

3.7 Million square feet

Employee Information







Union Local:

UAW Local 2250

Facility Details

Facilities: Vehicle Assembly Plant & Contiguous Stamping Facility

Site History: The General Motors Truck Group Wentzville facility is located 40 miles west of St. Louis, Missouri on a 569-acre site. The facility was built in 1983 on a wheat field. The current facility employs approximately 1,300 employees that work over two shifts. In addition, Wentzville has a contiguous stamping facility on site that produces the majority of the body parts that are used in the production of the Chevy Express and GMC Savana full size vans. The Wentzville Assembly Center is the global production site for the Full Size Van. To date, over 2.5 million Full Size Vans have been produced at Wentzville Assembly.


  • GM announced the investment of $380 million in November 2011 for the launch of the new mid-size pickup at Wentzville, with the potential to create or retain 1,260 jobs. Investment included funds for a new body shop along with other plant improvements to support the new truck launch.
  • GM also announced the investment of $133 million in June, 2013 to add a third stamping press to the Wentzville plant, with the potential to create or retain 55 jobs.
  • $120 Million invested in new Stamping Facility
  • $150 Million invested in 2003 Model Year Full Size Van Retooling
  • $30 Million invested in Stamping Facility press upgrade

Products & Production

Current Products:
The world’s best full-size vans, the Chevrolet Express and GMC Savana

Upcoming Products:
GM’s next generation mid-size pickup trucks, the 2015 Chevrolet Colorado and GMC Canyon, scheduled to launch later in 2014.

Awards & Reveals

  • New 2015 Chevrolet Colorado revealed at Los Angeles Auto Show in November 2013. New 2015 GMC Canyon revealed at North American International Auto Show in Detroit January 2014.
  • 2007 & 2008 State of Missouri Gold Award-Water Conservation
  • 2003-2008-Harbour Report-Most Productive Full Size Van Facility

Community Involvement


In 2013, GM Wentzville’s hourly and salaried employees raised more than $100,000 to support a number of community organizations, including the March of Dimes, Habitat for Humanity and Missouri Special Olympics. Also in 2013, GM Wentzville awarded $54,000 in Plant City grants from the GM Foundation to five other community organizations. In 2014, $75,000 in Plant City Grant donations were presented to seven community organizations.

Economic Impact:

  • 2013 Wages: $172.1 Million
  • 2013 Payroll Taxes: $35 Million

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