General Motors is investing $430 million in two major U.S. manufacturing facilities as the automaker continues upgrading its production network. The investment will fund improvements at the Wentzville Assembly plant in Missouri and the Spring Hill manufacturing complex in Tennessee to strengthen manufacturing capabilities and support future vehicle production.
GM Unveils $430 Million Manufacturing Investment
General Motors announced plans to invest a combined $430 million in two of its key U.S. production facilities.
The investment includes $157 million for the Wentzville Assembly plant in Missouri and $275 million for the Spring Hill manufacturing complex in Tennessee. According to the company, the funding is intended to enhance American manufacturing and innovation.
Wentzville Assembly to Receive Major Expansion
The Wentzville Assembly plant produces several of GM’s best-selling vehicles, including the Chevrolet Colorado, GMC Canyon, Chevrolet Express, and GMC Savana.
As part of the investment, the facility will receive a 28,000-square-foot expansion and refurbishment of its existing paint shop. Wentzville currently employs approximately 4,000 workers, underscoring its importance within GM’s manufacturing operations.
Spring Hill Investment Supports New Production
The Spring Hill manufacturing complex will receive $275 million to support production of the recently announced Cadillac XT6 and the company’s 2.7-liter engine program.
Once the upgrades are completed, Spring Hill will be capable of producing five vehicle models.
Part of a Broader Manufacturing Strategy
The latest investment is part of GM’s larger spending plans for 2026. The company estimates it will invest $9 billion in upgrades across its U.S. manufacturing facilities this year.
GM has also allocated an additional $7 billion for research and development during 2026.
GM Highlights Long-Term Manufacturing Commitment
Mike Trevorrow, Senior Vice President of Global Manufacturing, said the investments reflect GM’s commitment to maintaining long-term manufacturing sites that can meet current production demands while also supporting future product launches.








