If Donald Trump’s threat of a 50 per cent tariff on Canadian cars, trucks and automotive parts actually happens, it would be a devastating blow for this country’s already-beleaguered automotive sector, analysts say.

Trump’s latest threat in the U.S.-Canada trade war came Monday morning in a post on Truth Social, in which he threatened to double the current 25 per cent tariff on Canadian-made cars and trucks, as well as hitting Canadian automotive parts, which have thus far been largely free of tariffs.