Has anyone imported a used car from Canada to the US? How hard was it? Any tips? Taxes? Etc.

I am looking to buy a Subaru from Canada and I am currently a little intimidated by what I need to do to import it here. I have read that I need to prove EPA compliance and that it meets US crash regulations. What are the easiest ways of doing that? This is a model that was offered in the US, so I do not think it has…