Automakers and parts suppliers would struggle if President-elect Donald J. Trump followed through on his threat to impose 25 percent tariffs on imports from Canada and Mexico.

Donald Trump's pledge to slap tariffs on imports to the U.S. from Mexico could be more damaging for European car makers like Volkswagen and Stellantis and their suppliers than any direct tariffs on EU goods,

General Motors, Ford and Stellantis shares slid Tuesday after President-elect Trump threatened 25% tariffs on all imports from Canada and Mexico. The move by the new administration would likely stop American car demand in its tracks,