Michelin Pilot Sport 4 S is a summer tyre made in total of 195 sizes, ranging from R18 to R18 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 255/40 R21 is 50mm wider than the narrowest dimension (205) and 60mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R21, there is only one possible speed index for Michelin Pilot Sport 4 S - "Y", which is good for speeds up to 300 km/h. In 255/40 R21, Pilot Sport 4 S usually competes against Sportcontact 7, which is a tyre from Continental with a rating of 100%, compared to 97% of the Michelin in question.
| Shop | Product | Stock | Availability | Shipping | Price | Action |
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Pilot Sport 4 S XL (*) EV
- In stock
£297
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Pilot Sport 4 S XL (*) EV | In stock | Free shipping | £297 |
Buy
tyres.pneus.online.uk
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Michelin Pilot Sport 4S ( 255/40 ZR21 (102Y) XL *, with rim protection ridge (FSL) )
- In stock
£315
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Michelin Pilot Sport 4S ( 255/40 ZR21 (102Y) XL *, with rim protection ridge (FSL) ) | In stock | Free shipping | £315 |
Buy
mytyres.co.uk
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| Shop | Product | Stock | Availability | Shipping | Price | Action |
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Michelin Pilot Sport 4S ( HL255/40 ZR21 (105Y) XL MO1, with rim protection ridge (FSL) )
- In stock
£411
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Michelin Pilot Sport 4S ( HL255/40 ZR21 (105Y) XL MO1, with rim protection ridge (FSL) ) | In stock | Free shipping | £411 |
Buy
mytyres.co.uk
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Pilot Sport 4 S XL EV FSL
- In stock
£419
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Pilot Sport 4 S XL EV FSL | In stock | Free shipping | £419 |
Buy
tyres.pneus.online.uk
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Relevant tyre tests in same or similiar dimension (255/40 R21)

| Name | Points total | Wet | Dry | Enviromental impact | |||
|---|---|---|---|---|---|---|---|
| Best values in test | 9,1 | 5,7 | 5,7 | 6,3 | |||
| Michelin Pilot Sport 4 S | 9,1 | 8,8 | 9,5 | 8 | |||
| Show test details | |||||||