Donald Trump gives some relief car industry The imports of vehicles and auto parts were abandoned by their tariffs. He said that the President gave an order to car manufacturers from import duties on aluminum and steel, so there is no “cumulative effect” in the tariffs that come before them, he said. Another order amended its 25% car tariff, allowing manufacturers who make vehicles with foreign parts in the United States, claiming a discount of 3.75% against their sales price, falling to 2.75% next year. Many car manufacturers, including General Motors and Salentis, have pulled their profit guidance amid uncertainty.