Wentzville Assembly

Welcome to Wentzville

General Motors Wentzville Assembly has produced quality cars, vans, and trucks since 1983. The plant is situated on 438 acres of land in a former wheat field about 40 miles west of St. Louis in Wentzville, Missouri. Wentzville Assembly originally produced Buicks, Oldsmobiles, and Pontiacs before switching production to GM’s full size vans, the Chevrolet Express and GMC Savana in 1996. Since then over 2.5 million vans have been produced at Wentzville winning several awards along the way including best fleet value in America for several years running. In recent years the plant has received millions in capital improvements, installed a third stamping press, and hired hundreds of new employees to support production of the mid-size trucks, the Chevrolet Colorado and GMC Canyon. Wentzville Assembly was outfitted so that it can produce both vans and mid-size trucks on a single line and is the only plant producing the Colorado and Canyon in North America. Recent accolades for Wentzville Assembly include winning the 2015 and 2016 Motor Trend Truck of the Year with the Colorado and Autoweek’s 2015 Best of the Best Truck with the Canyon. GM Wentzville Assembly is represented by UAW Local 2250. The current facility employs approximately 4,600 hourly and salary employees that work over three 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.


Wentzville Plant News

National “Run For The Wall” Motorcycle Ride Makes Rest Stop at GM Wentzville


GM Wentzville provided shuttle vans from the Wentzville VFW Post to its assembly plant for free showers and restroom facilities on May 23rd as more than 500 motorcycle riders from across the country passed through town on their way to Washington, D.C. for a Memorial Day weekend to pay respects at the National Vietnam Veterans War Memorial.



General Motors Wentzville Assembly announced during a presentation on Sunday that nine organizations in the St. Louis and St. Charles County areas will receive $100,000 dollars in grants through the General Motors Foundation Community grants program.



Almost 900 volunteers picked up over 4.5 tons of trash in area streams on April 2nd as part of the Mission: Clean Stream and GM Earth Day festival. GM volunteers were on hand to assist festival vendors and support the Clean Stream groups.

GM Wentzville Supports Stem Careers Through Lego® Robotics Challenge


The 18th annual GM LEGO® Robotics Challenge was held at St. Charles Community College on March 4th. Students from around St. Charles County brought their ideas and talents to the competition by designing robots to overcome real world challenges found in an automotive assembly plant.

GMNA Manufacturing Works Smarter with Multi-Site Plant Manager Meetings


Using strategically-located plants and various collaboration tools, GMNA manufacturing and labor relations leaders were able to connect with their plant managers and union counterparts for meetings this week.

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UAW Local 2250

Most Wentzville team members are represented by United Auto Workers Local 2250.


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