(Reuters) -A group representing General Motors Ford and Chrysler-parent Stellantis ( STLA ) on Tuesday raised concerns about a trade deal that could cut tariffs on auto imports from Japan to 15% while leaving tariffs on imports from Canada and Mexico at 25%.

Matt Blunt, who heads the American Automotive Policy Council that represents the Detroit Three automakers, said "any deal that charges a lower tariff for Japanese imports with virtually no U.S. content than the tariff imposed on North American built vehicles with high U.S. content is a bad deal for U.S. industry and US auto workers."