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Is Michelin PS4 a run-flat tire?

3 Answers

OJace

07/24/25 5:00am

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

08/10/25 11:04pm

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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DeLila

09/24/25 6:10am

The Michelin PS4 is definitely not a run-flat tire! As a tire enthusiast, I've studied various brands. Run-flat tires like Bridgestone Run-Flat can travel about 80 kilometers after a puncture, with their design focus on safety backup functionality. The PS4, on the other hand, is positioned as a high-performance summer tire, emphasizing handling and wet road performance. Its sidewalls aren't reinforced, so it becomes immobile when deflated. Key knowledge point: When choosing tires, pay attention to tire categories—performance tires, all-season tires, and run-flat tires are different categories; the PS4 belongs to the first category and is not run-flat. From my experience testing cars, I find its grip exceptional, but carrying a tire repair kit is more practical for long trips.

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