The Trump administration is threatening a 25% tariff on all imports from Canada and Mexico as soon as Saturday — a move that would almost immediately impact car dealerships and factories in the United States.

If Trump enacts the tariffs, car shoppers should expect dramatic, immediate changes.

U.S. President Donald Trump has threatened to put tariffs on all Canadian imports as soon as Feb. 1. Canada's automotive sector is especially nervous, as it employs around 120,000 people and exports tens of billions of dollars in vehicles and parts to the U.