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Is Michelin PS4 a run-flat tire?

2 Answers
OJace
07/24/25 1:00pm
Michelin PS4 is a run-flat tire. Here are specific details about Michelin PS4: Lifespan: Michelin tires generally have a lifespan of two years or 60,000 kilometers, whichever comes first. Even if the vehicle is rarely used, the tires can still degrade, harden, and develop cracks, posing safety hazards during driving. Therefore, it is essential to replace them when reaching the specified time or mileage. Application: Michelin PS4 utilizes innovative elastomers and thin silicone in its new synthetic materials. Additionally, the tire features a novel asymmetric groove design, which not only reinforces the tread pattern but also provides excellent grip during vehicle cornering.
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DiEliana
08/11/25 7:04am
No, the Michelin PS4 is not a run-flat tire. I've been driving for over a decade and have used many tires. The Michelin Pilot Sport 4 is a summer tire focused on high performance and grip, suitable for sports cars or daily high-speed driving, but it doesn't have run-flat technology. Run-flat tires can continue driving for dozens of kilometers after a puncture, mainly relying on reinforced sidewalls. However, the PS4 is just a regular tire—if it blows out, you must stop immediately and change to the spare. I recommend that friends who enjoy long-distance travel pay more attention to labels, such as checking if there's an RF mark on the tire sidewall, or directly choosing Michelin's dedicated run-flat series like the Pilot Sport 4S Run On Flat, to avoid delays and ensure safety comes first!
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