By Sarah Morland, Raul Cortes and Brendan O’Boyle

MEXICO CITY (Reuters) -Mexican President Claudia Sheinbaum said on Wednesday Mexico would retaliate if U.S. President-elect Donald Trump followed through with his proposed 25% across-the-board tariff, a move her government warned could kill 400,000 U.S. jobs.

“If there are U.S. tariffs, Mexico would also raise tariffs,” Sheinbaum said during her regular morning press conference, in her clearest statement yet that the country was preparing possible retaliatory trade measures against its top trade partner.

Mexican Economy Minister Marcelo Ebrard, speaking alongside Sheinbaum, called for more regional cooperation and integration instead of a war of retaliatory import taxes.

“It’s a shot in the foot,” Ebrard said of Trump’s proposed tariffs, which appear to violate the USMCA trade deal between Mexico, Canada and the U.S.

Ebrard warned the tariffs would lead to massive U.S. job losses, lower growth and hit U.S. companies producing in Mexico by effectively doubling the taxes they paid. “The impact on companies is huge,” he said.

Brian Hughes, a spokesperson for Trump’s transition team, said the tariffs would protect U.S. manufacturers and workers from “unfair practices of foreign companies and foreign markets.”

Hughes said Trump would implement policies to make life affordable and more prosperous for his country.

HIT TO AUTOMAKERS

The proposed tariffs would hit the automotive sector’s top cross-border exporters especially hard, Ebrard added, namely Ford, General Motors and Stellantis, and push up vehicle prices for consumers by thousands of dollars.

Mexico’s automotive industry is the country’s most important manufacturing sector, exporting predominantly to the United States. It represents nearly 25% of all North American vehicle production.

Analysts at Barclays said they estimate the proposed tariffs “could wipe out effectively all profits” from the Detroit Three automakers.

“While it’s generally understood that a blanket 25% tariff on any vehicles or content from Mexico or Canada could be disruptive, investors under-appreciate how disruptive this could be,” they wrote in a note on Tuesday.

GM and Stellantis declined to comment. Ford did not comment on how the threatened tariffs would affect its business but said it manufactures more vehicles in the United States than most major automakers.

Mexico’s automotive industry group AMIA said it would prepare for any possibility and wait to see what formal actions are taken.

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