Ford Motor also reported a sharp drop in profits in the first three months of the year.
Tariffs on imported parts will have a broad impact because all vehicles use components made abroad.
General Motors also said its profit in the first three months of the year fell 7 percent from a year earlier.
Trump’s approach risks leaving U.S. automakers isolated and incapable of competing on their own merits as foreign companies bolt ahead.
The 25 percent levies threaten automakers that are navigating Brexit, a shift to electric vehicles and other obstacles.
Electric vehicles will get even more expensive, but prices for Teslas and some other models may not rise as much as prices for some conventional cars.
Enormous investments in factory equipment and artificial intelligence are giving China an edge in car manufacturing and other industries.
Enormous investments in factory equipment and artificial intelligence are giving China an edge in car manufacturing and other industries.
Enormous investments in factory equipment and artificial intelligence are giving China an edge in car manufacturing and other industries.
Enormous investments in factory equipment and artificial intelligence are giving China an edge in car manufacturing and other industries.