Replacing Tires on AWD: 2 or 4?

My mom has a slow leak in a tire on her 2017 Kia Sportage SX Turbo AWD. The tire shop is telling her to only replace one tire, I say absolutely not, do at least 2. I’d always heard that all 4 tires should be replaced on an AWD vehicle. So the question is, should we replace the front 2 or all 4?

Illustration for article titled Replacing Tires on AWD: 2 or 4?
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