April 2026

tires

What is the 3% rule for tires?

What is the 3% rule for tires? The 3% rule states that when replacing tires, the new tire’s diameter should not differ from the original by more than 3%. This guideline helps maintain proper vehicle performance, safety system functionality, and speedometer accuracy. Compared to smaller tires with less road resistance–which can help you save money–bigger

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