Radio Free Trumpistan on Nostr: I can ball-park the era that was pre-General Motors, and nearly all the automakers ...

I can ball-park the era that was pre-General Motors, and nearly all the automakers that are no more, such as Tucker. Mexico was involved in U.S. auto production as early as the late 1950s going into the 1960s, and U.S. automakers had to join a conglomerate like General Motors or go extinct. Automakers like Studebaker went across the border too late in the game in the early/mid-60s and went out of business anyway.
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I should add that the Studebaker factory in Mexico didn't die--Volkswagon bought it to produce the VW Beetle there until relatively recently.