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How Long Can a Run-Flat Tire Continue to Run After Losing Pressure?

2 Answers

VanNevaeh

08/27/25 6:49am

Run-flat tires can continue to drive for 50 to 250 kilometers at a speed of 80 km/h even when the tire pressure is completely lost, without the need for immediate replacement. The differences between run-flat tires and regular tires are: 1. Different materials: Run-flat tires have an additional thick layer of natural rubber on the sidewall that provides reinforcement and utilizes nano-renewable technology; regular tires are constructed from natural rubber and renewable energy rubber, among other materials. 2. Different wear resistance: When a tire experiences a blowout, run-flat tires can continue to drive normally for a certain distance; regular tires cannot function properly after losing pressure. Run-flat tires are also known as pressure-retaining tires and are marked with RSC on the sidewall. Structurally, run-flat tires do not differ significantly from regular tires, except for the reinforced design on the tire sidewall, which allows the tire to continue supporting the vehicle in the event of a leak or sudden loss of pressure.

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DeAngelo

09/09/25 5:38am

How long can a run-flat tire last after a puncture? I've personally experienced this. Last time, my car had a flat tire on the highway, but thanks to the run-flat tires it came with, I managed to drive nearly 80 kilometers to the repair shop. The ride felt a bit bumpy, but I had to control the speed carefully—not exceeding 80 km/h, as going faster would cause more wear. The run-flat distance varies significantly depending on the tire brand, usually ranging between 50 to 100 kilometers, so check the manual for specifics. I recommend car owners familiarize themselves with their tire type and check the tire pressure regularly. Remember, run-flat capability is only a temporary fix, not a permanent solution. Safety first—slow down immediately if you have a flat, find a safe place to repair it, and don’t risk driving too far just to save time.

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