Unifor and General Motors Reach Tentative Deal for Thousands of Ontario Autoworkers

Talks between Unifor and GM began on August 10, following the union's deal with Ford, setting the stage for the tentative agreements announced later in August.
The GM accords with Unifor are positioned as part of pattern bargaining, with the union noting the deals align with the pattern set by its Ford agreement (including terms like annual pay increases and no-closure protections).
The tentative GM deals were unanimously endorsed by Unifor’s GM Master Bargaining Committee, signaling strong internal support ahead of ratification.
Unifor’s Trevor Longpre highlighted that the round of talks occurred amid tariff uncertainty and relentless U.S. trade aggression, framing the agreements as a win under difficult market conditions.
Unifor and General Motors have reached a tentative agreement covering roughly 4,600 autoworkers at Ontario plants, delivering what the union calls substantial wage and benefit gains. The deals cover workers at Oshawa, CAMI in Ingersoll, St. Catharines Propulsion Plant, and Woodstock Parts Distribution Centre, with ratification votes scheduled for August 29 and 30 Unifor Sources. The agreement follows Unifor's Ford deal and sets a pattern for negotiations with other automakers amid tariff uncertainty.
Unifor's Master Bargaining Committee unanimously backed the tentative deals, signaling strong internal support before the membership vote Unifor Sources. GM Canada President Jack Uppal praised the company's Canadian manufacturing investments, while union leader Lana Payne highlighted the gains achieved during "challenging times." Stellantis negotiations come next as the auto sector faces broader headwinds.
Talks began August 10, one week after Unifor sealed its Ford agreement Unifor Sources. The union uses Ford's contract as the "pattern" — a template for similar terms across other automakers. Unifor negotiator Trevor Longpre framed the GM accords as aligned with Ford's deal, including annual pay increases and plant closure protections Unifor Sources. This approach locks in consistent gains across the Big Three.
The tentative deals split into two contracts reflecting GM's plant structure Multiple Reports. One covers Oshawa, St. Catharines, and Woodstock; the second covers Ingersoll's CAMI facility Multiple Reports. Current GM contracts expire in September, creating the urgency for August settlements Multiple Reports. The split structure allows tailored terms for each facility's workforce and production needs.
Unifor's negotiating team stressed that tariff threats and U.S. trade aggression shaped the talks Unifor Sources. The union highlighted these agreements as wins despite a tougher climate for Canadian auto plants. Trade instability weighs heavily on factory investment and job security. Unifor framed the deal as protecting workers amid uncertain market conditions.
Unifor members will vote August 29 and 30 on whether to ratify the tentative agreements Unifor Sources. The union emphasizes that ratification determines the final contract language and terms. GM Canada declined to share detailed terms before the vote, respecting the union's process Unifor Sources. Once approved, these deals become the binding contracts through the agreement period.
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