The Michelin Pilot Sport 4 is a radial performance tire for passenger cars and part of the Pilot Sport family. It is intended for everyday highway driving and is built to handle both wet and dry road conditions.
The 225/40ZR18 size is rated 92Y for load and speed with extra load (XL) construction. It offers 9.5/32-inch tread depth, a 50 psi maximum inflation pressure, a UTQG rating of 320AAA and an overall diameter of about 25.1 inches. This size carries a 20,000-mile treadwear warranty.
| Tire size | 225/40ZR18/XL (92Y) |
| Tire load index | 92 |
| Tire speed rating | (Y) |
| Tire load range | Extra Load |
| Tire terrain | Highway Terrain |
| Uniform tire quality grade (utqg) | 320 AA A |
| Tire treadwear rating | 320 |
| Tire sidewall style | Black Sidewall |
| Tread depth | 9.5/32 |
| Overall diameter | 25.1 in |
| Manufacturer | MICHELIN NORTH AMERICA |
| Tire width | 225 mm |
| Vehicle fitment type | Specific |
| Is run flat | N |
| Vehicle type | Car |
| Construction type | Radial |
| Electric vehicle tire | N |
| Wheel diameter | 18 in |
| Flotation tire | N |
| Maximum vehicle rim width | 9 in |
| Features | Durable Construction |
| Minimum vehicle rim width | 7.5 in |
| Total count | 1 |
| Vehicle class designator | P |
| Tire location | Front and Rear Tires |
| Tire diameter | 18 in |
| Tire type | Passenger Car Tires |
| Model | 09869 |
| Maximum inflation pressure | 50 psi |
| Tire aspect ratio | 40 |
Specifications are as published by the manufacturer. Please confirm the size against the placard on your vehicle before ordering.