Are foreign cars really more expensive to buy than American cars?

Just so you know, my family that lives in my area has almost exclusively owned American cars. My family said it was because foreign cars cost too much money. Well, I had suggested that my grandma buy a Mazda (she had a Ford but it got totaled by my dad), which I don't consider as all that "foreign" considering that Ford and Mazda were partners for 31 years. However, my uncle says that foreign cars tend to cost too much. However, do used Mazdas really cost too much compared to American brands?

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