Michelin Pilot Sport 4S Autocross 355/25ZR21 (107Y) XL Passenger Tire
Michelin Pilot Sport 4S Autocross 355/25ZR21 (107Y) XL Passenger Tire
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Michelin

Michelin Pilot Sport 4S Autocross 355/25ZR21 (107Y) XL Passenger Tire

4.3 stars out of 287 reviews
(4.3)|
287 ratings
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Key item features

  • Peak Performance: Offers maximum combined performance, acclaimed by demanding vehicle manufacturers for sports cars, luxury vehicles, and performance sedans.
  • Optimal Traction: Provides benchmark dry traction and ultimate wet traction, excelling in warm, dry, and wet conditions.
  • Advanced Design: Features a premium design with a rim protector and a low-void outer shoulder for improved dry handling.
  • Enhanced Braking: Incorporates center ribs and an inboard shoulder specifically designed to increase braking performance in wet conditions.
  • Tire Specifications: Sized at 355/25ZR21 with an XL load range, optimizing pressure distribution for improved tread life.
  • Seasonal Use: Developed as a summer sports tire, it is not intended for use in snow or on ice.
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Current price is $1,302.99
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4.3 out of 5 stars
stars287 ratings286 reviews
How item rating is calculated
  1. 5 stars74% (212)
  2. 4 stars6% (18)
  3. 3 stars6% (17)
  4. 2 stars5% (15)
  5. 1 star9% (25)

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Showing 1-3 of 286 reviews

Nov 26, 2025
2redporsche
5 out of 5 stars review

Great tires!

This is my third set of Michelin PS4S tires on Porsche 911 and Boxster and love them! Great tires and worth every penny!

International review
Review from michelin.com
Helpful?62X78H9FSA93912481947
Aug 15, 2025
PilotaF430
5 out of 5 stars review

Rockin' the Creek road

My new skins replaced some old Goodyear Eagles from Germany and the improvement was dramatic. I live on a remote rural property and the creek road I travel is challenging, requiring grip, grip, grip. I'm totally satisfied so far, that said, I have less than 1k miles on the kit. I'll have a complete review at 5k.

Review from michelinman.com
Helpful?62X78H9FSA93912481947
Jan 25, 2026
wiryantirta
5 out of 5 stars review

So good in the dry, really good in the wet.

There's probably better or more engaging summer performance tyres out there, sure. But this is 90-95% as good in the dry but when it rains or is damp this is so much better. While I had PS4Ses are good for heavier more powerful cars, I decided to switch over to PS4 for my lightweight Alfa Romeo 4C. So far, I'm happier with the PS4S for the 4C.

Review from michelinman.com
Helpful?62X78H9FSA93912481947