Pilot Sport S 5
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Specifications
| Size | 275/35R21 Pilot Sport S 5 |
|---|---|
| Width | 275 mm |
| Aspect ratio | 35 |
| Rim diameter | R21 |
| Load index | 99 |
| Speed rating | Y |
| Load range | SL |
| Season | Summer |
|---|---|
| UTQG | 300 A A |
| Treadwear warranty | 30,000 miles |
| Tread depth | 8.5/32" |
| Weight | 28.77 lbs |
| Max pressure | 51 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Michelin Pilot Sport S 5
Summer Ultra High Performance Passenger Car tire for Road and Track.
Features
* Dynamic response technology* Dual sport tread design and bi-compound technology* Tailor-made design* 30,000 Mile Treadwear Limited Warranty
Benefits
* For razor-sharp handling* For exceptional grip on both wet and dry roads* For the most demanding sports car manufacturers
Understanding the 275/35R21 size
In the size code 275/35R21, 275 is the section width in millimetres (about 10.8"). 35 is the aspect ratio — the sidewall height is 35% of the width, or roughly 96.3 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 28.6".
The load index 99 means each tire supports up to 1,709 lbs — about 6,836 lbs across a full set of four. The speed symbol Y certifies the tire to 186 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Michelin Pilot Sport S 5 is built for
The Michelin Pilot Sport S 5 is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, Performance, UHP.
Tread life and grip ratings
This tire carries a UTQG rating of 300 A A. The treadwear grade of 300 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade A measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).
Price and value
At $409.49 per tire, a full set of four costs $1637.96. That sits close to the average for the 72 tires we stock in this size. Backed by a 30,000-mile treadwear warranty, that works out to roughly $54.60 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 275/35R21 mean?
275 is the section width in millimetres, 35 is the aspect ratio (sidewall height as a percentage of width, about 96.3 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 28.6 inches.
What are the load and speed ratings of the Michelin Pilot Sport S 5 275/35R21?
Its load index of 99 allows up to 1,709 lbs per tire. Its speed rating of Y is certified to 186 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Michelin Pilot Sport S 5 275/35R21 tires cost?
A single tire is $409.49 and a set of four is $1637.96, covered by a 30,000-mile treadwear warranty.
Can the Michelin Pilot Sport S 5 be used in winter?
No. This is a summer tire and it is not rated for severe snow service. Its compound stiffens as temperatures approach freezing, so fit winter or all-weather tires for cold-season driving.
Does the Pilot Sport S 5 come in other sizes?
Yes — we stock 37 additional Pilot Sport S 5 sizes besides 275/35R21. Fit only a size approved for your vehicle.