Corporate income tax, capital investment, land acquisition, marketing, advertising, subsidiaries, other suppliers/vendors, charity, state and local taxes, etc.
Etc. Ah yes, ETC. This would be the significant chunk of profit consumers paid for their cars that could have gone to the American economy, but goes offshore.
You're a "free trade" nut. Answer this question:
Give me one good reason for world trade, to the extent we are involved in it, over making what people need domestically and selling to each other in this country. Justify your reason as a greater boon to American (only American, I could care less about others) economic health against the already experienced economic health of the 20th century decades where we practiced the latter.