GM and Unifor Reach Tentative Deal for C$1.1 Billion Ontario Investment

General Motors and the Unifor union have reached a tentative agreement that secures a major investment for Ontario's auto sector while providing a temporary safeguard for an idled plant. The deal, which covers approximately 4,600 union members, includes a C1.1 billion capital commitment across three manufacturing sites and now awaits a ratification vote by members this weekend.

The centerpiece of the agreement is a C144 million investment to retool GM's assembly plant in Oshawa, Ontario. This funding will enable the facility to produce the next-generation heavy-duty GMC Sierra pickup truck. The move will make Oshawa the only assembly plant in North America capable of building both light-duty and heavy-duty versions of the Chevrolet Silverado and GMC Sierra on a single production line, offering greater flexibility to meet shifting market demand. The investment builds on a previous C63 million commitment made in February for stamping operations upgrades.

The tentative deal also provides a reprieve for GM's CAMI Assembly plant in Ingersoll, which was idled in late 2025 after the automaker ended production of the Chevrolet BrightDrop electric delivery van due to weak demand. Under...