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This Michelin pilot sport a/s 4 tire is built in size 255/40ZR21 with a 102Y load and speed designation. Match the complete size, load capacity, speed rating, construction, season, approved wheel-width range, and vehicle placard before ordering.
Key Features
- Variable Thickness Sipes: Improves light snow traction with 3PMSF severe snow service symbol rating.
- UTQG rating 400 AA A with 9/32 inch tread depth for balanced performance and longevity.
- Extreme Silica Compound: Delivers confident braking distances on wet and dry roads even in lower temperatures.
- Asymmetric Tread Pattern: Provides responsive steering and stability during cornering at high speeds.
- Monitor tire pressure monthly and rotate every 5000 miles for best results.
- Ships as single tire securely wrapped weight 28.3 lbs.
Fitment
| Tire Size | Load and Speed | Construction | Verification |
|---|---|---|---|
| 255/40ZR21 | 102Y | XL | Confirm vehicle placard, wheel width, axle load, clearance, and intended use |
Specifications
| Brand | Michelin |
|---|---|
| Manufacturer Part Number | 25642 |
| Product Type | Automotive Tire |
| Tire Size | 255/40ZR21 |
| Load and Speed Rating | 102Y |
| Construction | XL |
| Fitment Type | Specification Matched |
| Condition | New |
What's Included
One new Michelin tire identified by manufacturer part number 25642. Wheel, valve stem, TPMS sensor, mounting, balancing, alignment, road-hazard coverage, and additional tires are not included unless expressly stated.
About Michelin
Michelin develops passenger, performance, sport-utility, light-truck, all-season, all-weather, winter, and track-focused tires for a broad range of road and driving conditions.
Related Michelin Products
- Shop all Michelin tires
- Michelin Pilot Sport 4 S 255/40ZR21 (102Y) XL Star BMW
- Michelin Crossclimate2 A/W 215/55R18 95H
- Michelin Crossclimate2 A/W 225/40R18 92V XL
Frequently Asked Questions
Will this Michelin tire fit my vehicle?
Match the full sidewall size to the vehicle placard or an approved wheel setup, then confirm wheel width, load index, speed rating, axle load, clearance, and any staggered sizing.
Can I mix this tire with a different tread pattern?
A matched set is preferred for predictable handling. Follow the vehicle and tire manufacturer requirements, especially for all-wheel-drive vehicles and staggered applications.
Does the listing include a wheel or a full set of tires?
No. The listing includes one tire unless the quantity selector or product title expressly states otherwise. Wheels, sensors, mounting, and balancing are separate.
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