No one is going to find any cars made entirely in the US. American University Washington D.C. Looks like some GM minivans have 85.5% by these guys measure, but some 'Imports' contain as much as 78.5 US content using the same measurements. The Prius is a solid 1% US.
Shouldn't be, but any tariffs can be extended to imported parts, and no model is 100% made in the USA.
Yeah looks like it's both complete cars and parts, quote from the article: ...will consider whether the decline of domestic automobile and automotive parts production threatens to... Wait a sec, are Canadians going to be sitting pretty, lol? Somehow I doubt it.
All this suppose to help US automakers and ultimately US consumers. We'll see if we agree with that in 2020.