How many years can run-flat tires be used?
2 Answers
Run-flat tires can normally be used for about four years or 80,000 kilometers. The following are the benefits and precautions of run-flat tires: Benefits of run-flat tires: In the event of a tire leak, even if the air pressure inside the tire is completely lost, you can still continue driving at a speed of 80 km/h without having to replace the tire immediately. These features improve the vehicle's ride comfort and steering stability, significantly extend the tire's lifespan, and prevent tire blowouts. This enhances the vehicle's ride comfort and steering stability, greatly prolongs the tire's service life, and prevents tire blowouts. Precautions: There is a phenomenon called standing waves in car tires, which often occurs when driving at excessive speeds. This phenomenon can rapidly increase tire temperature, accelerate rubber aging, and easily cause delamination and rupture, leading to tire blowouts.
The lifespan of run-flat tires is typically around three years, but it depends on how you use them. I drive quite a lot, mainly in the city, averaging about 20,000 kilometers per year. After three years, the tread starts to wear thin, and I can feel a noticeable decrease in grip. There are many influencing factors—if you tend to brake hard or take sharp turns, the wear will be faster. Driving on poor road conditions with frequent potholes can double the aging rate of the tires. Additionally, climate plays a key role. I live in a hotter southern region, where summer heat accelerates rubber aging, sometimes requiring replacement every two years. Remember to check tire pressure regularly; maintaining the right level can extend their lifespan. Inspect them monthly for cracks or damage. The advantage of run-flat tires is that you can still drive tens of kilometers to a repair shop after a blowout, but don’t rely on this for too long, as it poses significant safety risks. Overall, it’s recommended to evaluate them every three years or after 60,000 kilometers—don’t skimp on costs, safety comes first.
