During a voting process involving all unionized employees at GM’s Silao plant in Mexico, workers approved the wage agreement the union reached in late March.

The Independent National Union of Automotive Industry Workers (SINTTIA, in its Spanish acronym) officially announced that workers at General Motors’ GM Silao plant in Mexico have just approved a wage agreement reached between union leadership and the company. A majority of workers voted in favor of the measure in an internal process on April 10th. The agreement was approved by more than 70 percent of those who participated in the vote.

“The General Motors Silao workforce approved the 2026-2028 contract review agreement with a majority vote, thus consolidating the best contract achieved in the automotive industry in Mexico,” SINTTIA said in a statement. “The results not only validate the content of the agreement, but also the strength of an organized, informed and participatory workforce,” the union added.

Specifically, the union reported that the agreed 15 percent overall wage increase for the GM Silao plant was approved through a vote involving the facility’s 5,755 employees – reflecting a high level of participation with 79.2 percent of total members taking part. The union vote resulted in 4,041 votes in favor and 1,696 votes against.

Thus, the approval of the 2026-2028 contract review agreement at the GM Silao plant ends the dispute between union representatives and the automaker over wage increases and averts the strike they threatened to call on April 15.th at the facility. This ends the contract review process at the Mexican truck factory, pending formalization with the relevant labor authorities.

The new labor contract at the GM Silao plant includes an immediate 10 percent salary increase, in addition to bonus increases of 1 percent in October and another 1 percent in December this year, which apply to certain job categories. The agreement ensures continued operations at the Silao complex, the primary facility for production of the Chevy Silverado 1500 and Chevy Cheyenne full-size pickups for the local market, as well as the GMC Sierra 1500.
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