Michelin Pilot Sport 4S - 255/35R21

Pilot Sport 4S 255/35R21 Tire Specs

Size	Diameter	Width	Rim Range	Measured Rim	Tread Depth	Load Range	Max Load	Max psi	Max Speed	Weight	Sidewall Letters	Revs/Mile
255/35ZR21 98Y XL BSW 300 AA A	28"	10.2"	8.5-10"	9"	9.5/32"	Extra Load	1653 lbs	50 psi	186 mph	25.1 lbs	Black	743	Show Specs

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Pilot Sport 4S
Summer - Supreme Performance
Size: 255/35R21
Read Reviews(2)

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(Last Checked 10/26/25)

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The Michelin Pilot Sport 4 S has an asymmetric tread pattern that provides lateral grip while it's Dynamic Response Technology helps to provide better steering and stability. The inside tread block of the Pilot Sport 4 S is packed with high levels of silica for wet road performance and a new mix of elastomers gives you long lasting tread wear without sacrificing traction on dry pavement.

The 255/35R21 Michelin Pilot Sport 4S has a diameter of 28", a width of 10.2", mounts on a 21" rim and has 743 revolutions per mile. It weighs 25.1 lbs, has a max load of 1653 lbs, a maximum air pressure of 50 psi, a tread depth of 9.5/32" and should be used on a rim width of 8.5-10".

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AMG63's Review
Performance : 10/10
Appearance : 10/10
Noise : 10/10
Comfort : 10/10
Price : Great Deal
Recommend : Yes

Comments : I love my Michelin Pilot Sport 4S! They provide the right amount of grip for accelerating, braking and cornering!

Wakondax's Review
Performance : 10/10
Appearance : 10/10
Noise : 10/10
Comfort : 10/10
Price : Seems Right
Recommend : Yes

Comments : Best tires I have ever owned. Great handling. Great traction. The 315/35/20 is actually just as wide as a 325 tire. Compared tire size in person.

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