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How often should run-flat tires be replaced under normal conditions?

1Answers
PaulMarie
08/27/2025, 03:09:22 AM

Run-flat tires should generally be replaced every 6 years or after driving 40,000 to 50,000 kilometers. Run-flat tires, also known as air-maintaining tires, have reinforced sidewalls that support the vehicle's weight when inflated. This is especially true for tires with a larger aspect ratio, where the sidewalls are very thick. In the event of a severe tire blowout, the sidewall can suddenly rupture, causing the tire to instantly lose its support and leading to an immediate shift in the vehicle's center of gravity, which may result in loss of control. The advantage of run-flat tires is that even if the tire loses all air pressure, the vehicle can still continue to drive at speeds of up to 80 kilometers per hour without needing to replace the tire immediately.

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