The Michelin Pilot Sport All-Season 4 is a performance all-season tire built for responsive control. Dynamic Response Technology helps transmit steering input to the road, the Formula-E tread pattern combined with functional elastomers and silica supports wet and dry grip and braking, and lower rolling resistance improves efficiency.
In the 245/45ZR20 size, this tire has a 103Y load and speed rating with extra load (XL) construction. Specs include 10/32-inch tread depth, a 50 psi maximum inflation pressure, a UTQG rating of 540AAA and an overall diameter of about 28.7 inches. A 45,000-mile treadwear warranty applies to this size.
| Tire size | 245/45ZR20/XL 103Y |
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| Tire load index | 103 |
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| Tire load range | B |
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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) | 540AAA |
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| Tire treadwear rating | 540 |
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| Tire sidewall style | Black Sidewall |
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| Tread depth | 10/32 |
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| Overall diameter | 28.7 in |
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| Manufacturer | Michelin North America Inc |
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| Tire width | 245 mm |
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| Vehicle fitment type | Universal |
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| Is run flat | N |
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| Vehicle type | Car |
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| Construction type | Radial |
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| Electric vehicle tire | Y |
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| Automotive parts division | Performance |
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| Wheel diameter | 20 in |
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| Flotation tire | N |
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| Maximum vehicle rim width | 9 in |
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| Features | Wet or Dry, Low Maintenance, Extra Strength, All-Weather, High-Speed |
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| Items included | Tire Only |
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| Minimum vehicle rim width | 7.5 in |
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| Vehicle class designator | P |
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| Tire location | Front and Rear Tires |
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| Tire diameter | 20 in |
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| Brand | Michelin |
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| Tire type | Passenger Car Tires |
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| Model | Pilot Sport All Season 4 | 17478 |
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| Maximum inflation pressure | 50 psi |
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| Product line | Pilot Sport All Season 4 |
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| Tire aspect ratio | 45 |
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Specifications are as published by the manufacturer. Please confirm the size against the placard on your vehicle before ordering.
