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255/40 R21 Michelin Pilot Sport 4 S variants
Michelin Pilot Sport 4 S is a summer tyre made in total of 178 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 40mm wider than the narrowest dimension (215) 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 P ZERO, which is a tyre from Pirelli with a rating of 61%, compared to 91% of the Michelin in question.
255/40 R21 102 Y
B
E
71dB
Michelin Pilot Sport 4 S is made in 178 sizes, starting from 215/35 R18 up to 315/30 R23.
Similar tires
Michelin Pilot Sport 4 S in tyre tests
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 | |||||||