USMCA Talks Stall on Auto Content Demands; Fourth Round Set for September

U.S. and Mexican officials will convene for a fourth round of trade negotiations in early September, Mexico’s economy ministry announced, as significant disagreements over key issues persist following the latest talks. The negotiations are part of a mandated six-year review of the U.S.-Mexico-Canada Agreement (USMCA), a pact that underpins nearly $1.6 trillion in annual regional trade.

Sticking Points Persist

U.S. Trade Representative Jamieson Greer met with Mexican President Claudia Sheinbaum and Economy Minister Marcelo Ebrard this week in Mexico City. In a statement Thursday, Ebrard described the conversations as "constructive," noting progress on topics including steel, aluminum, and the substitution of imports from Asia.

However, two sources familiar with the talks told Reuters the two sides remain far apart on core issues. The prolonged negotiations risk extending business and investment uncertainty for companies reliant on the once duty-free trade framework.

The Core Dispute: Auto Rules of Origin

The primary point of contention is a U.S. demand that vehicles must contain 50% U.S. content to qualify for preferential duty-free access. According to one source, the Mexican government views this as a "non-starter," arguing it sets a problematic precedent and would not accept "even 1%" of a country-specific requirement.

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This proposal marks a significant departure from the current USMCA rules, which stipulate:

• 75% of a vehicle's components must originate in North America.
• 40% must be produced by workers earning at least $16 per hour.
• The existing pact does not mandate a specific content percentage from any single country.

Broader Context and Tariffs

Mexico is also pushing for the U.S. to adjust its "Section 232" national security tariffs—25% on autos and 50% on steel and aluminum—before it offers concessions on other fronts. So far, the Trump administration has not indicated it will ease these tariffs.

In Senate testimony on Wednesday, U.S. Trade Representative Greer suggested a potential path forward, stating he hopes to secure interim trade agreements this year while deferring more complex changes to the USMCA until 2027. This strategy could temporarily alleviate some market uncertainty while postponing the most difficult negotiations.