The Michelin Pilot Sport All Season 4 is an all-season passenger car tire with a radial build and a highway-terrain design for paved roads. It is listed for wet or dry conditions and high-speed driving, and it carries a mud and snow rating for use as the seasons change.
This 225/40R18 size carries a 92Y load and speed rating with extra load (XL) construction. It has 10/32-inch tread depth, a 50 psi maximum inflation pressure, a UTQG rating of 540AAA and an overall diameter of about 25.2 inches. It is backed by a 45,000-mile treadwear warranty.
| Tire size | 225/40R18 |
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| Tire load index | 92 |
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| Tire load range | Extra Load |
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| Tire season | All-Season |
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| Tire terrain | Highway Terrain |
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| Uniform tire quality grade (utqg) | 540 AA A |
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| Tire treadwear rating | 540 |
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| Tread depth | 10/32 |
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| Overall diameter | 25.2 in |
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| Electric vehicle tire | Y |
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| Tire type | Passenger Car Tires |
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| Brand | Michelin |
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| Features | Wet or Dry, Low Maintenance, Extra Strength, All-Weather, High-Speed |
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| Tire width | 9.36 in |
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| Tire diameter | 18 in |
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| Tire aspect ratio | 40 |
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| Construction type | Radial |
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| Is run flat | N |
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| Maximum inflation pressure | 50 psi |
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| Wheel diameter | 18 in |
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| Maximum vehicle rim width | 9 in |
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| Minimum vehicle rim width | 7.5 in |
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| Assembled product weight | 22.53 lb |
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| Model | Pilot Sport All Season 4 34320 |
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| Product line | Michelin Pilot Sport AS 4 |
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Specifications are as published by the manufacturer. Please confirm the size against the placard on your vehicle before ordering.
