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Pilot Sport 4S
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Specifications
| Size | 285/40ZR23 XL Pilot Sport 4S MO1 |
|---|---|
| Width | 285 mm |
| Aspect ratio | 40 |
| Rim diameter | R23 |
| Load index | 111 |
| Speed rating | (Y) |
| Load range | XL |
| Season | Summer |
|---|---|
| UTQG | 300 AA A |
| Treadwear warranty | 30,000 miles |
| Tread depth | 9.5/32" |
| Weight | 34.7 lbs |
| Max pressure | 51 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Michelin Pilot Sport 4S
Summer Ultra High Performance Passenger Car tire.
Features
* Dynamic Response Technology adapts to the road* Revolutionary multi-compound construction* Total Performance™ overcomes the usual trade-off of wear for grip* Premium design and deep rim protector* 30,000 Mile/50,000 Kilometer Manufacturer's Treadwear Limited Warranty* Standard Limited Warranty - All Michelin tires
Benefits
* For Ultra-precise steering, outstanding cornering power and remarkably good tread life* Delivers unmatched levels of dry and wet grip* To deliver both incredible traction and improved tread life* Provides a dark velvet effect on external sidewalls whilst guarding against light wheel damage
Understanding the 285/40ZR23 XL size
In the size code 285/40R23, 285 is the section width in millimetres (about 11.2"). 40 is the aspect ratio — the sidewall height is 40% of the width, or roughly 114 mm. R23 means radial construction on a 23-inch wheel, giving an approximate overall diameter of 32".
The load index 111 means each tire supports up to 2,403 lbs — about 9,612 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 4S is built for
The Michelin Pilot Sport 4S 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, CAR, Performance, UHP.
Tread life and grip ratings
This tire carries a UTQG rating of 300 AA 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 AA 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 $479.24 per tire, a full set of four costs $1916.96. That sits close to the average for the 12 tires we stock in this size. Backed by a 30,000-mile treadwear warranty, that works out to roughly $63.90 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 285/40R23 mean?
285 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of width, about 114 mm), and R23 indicates radial construction for a 23-inch wheel. Overall diameter is approximately 32 inches.
What are the load and speed ratings of the Michelin Pilot Sport 4S 285/40ZR23 XL?
Its load index of 111 allows up to 2,403 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 4S 285/40ZR23 XL tires cost?
A single tire is $479.24 and a set of four is $1916.96, covered by a 30,000-mile treadwear warranty.
Can the Michelin Pilot Sport 4S 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 4S come in other sizes?
Yes — we stock 251 additional Pilot Sport 4S sizes besides 285/40ZR23 XL. Fit only a size approved for your vehicle.