GM Invests $144M CAD to Build Next-Gen GMC Sierra Heavy-Duty Trucks in Ontario

General Motors workers in Canada have ratified a new agreement that paves the way for adding a next-generation heavy-duty truck to the company's Oshawa plant in Ontario. The deal includes a fresh investment of 144 million Canadian dollars, part of a broader commitment exceeding one billion Canadian dollars in Canadian manufacturing operations. It's a decisive bet on domestic production amid rising trade tensions with the United States.

Investment Breakdown and Plant Commitments

The agreement secures 144 million CAD to add GMC Sierra heavy-duty truck production to the Oshawa facility. GM has also pledged not to sell or close its Ingersoll assembly plant in Ontario for the time being, offering workers a measure of long-term security. The larger investment program includes roughly 691 million CAD for new V8 engine production, a figure first announced in April. This package covers approximately 4,600 GM employees across the province and injects fresh momentum into Canada's automotive sector.

Worker Gains and Job Security Measures

Under the new contract, workers receive an annual wage increase of 3% over three years, along with improved benefits and explicit job security guarantees. Jack Uppal, president of GM Canada, emphasized that the agreements deliver meaningful improvements in wages, benefits. Job security while supporting the well-paying jobs that anchor Canadian auto manufacturing. The numbers are substantial, and the commitment is clear. This move signals that the company intends to remain a major player in Canada's industrial landscape for years to come.

Tariff Pressures Shape the Sector's Future

The agreement lands as Canada's auto sector faces mounting pressure from the 25% US tariffs on vehicles, with President Donald Trump threatening to raise them to 50% starting January 1, 2027. Trade negotiations between the two nations stalled last week over issues including tariffs on medium and heavy-duty vehicles — the exact production category most critical to Canadian plants. GMC Sierra will join a production line with deep roots in Oshawa. Company leadership appears willing to bet on long-term stability despite the political turbulence. The billion-dollar commitment isn't just a figure — it's a comprehensive plan to modernize facilities and secure thousands of jobs through 2030 and beyond.