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The Michelin Pilot Super Sport 255/40ZR18 (99Y) XL comes in size 255/40ZR18XL, load index 99 and speed rating (Y), radial construction.
It is classed as a summer tire built for highway/touring use and listed under car fitment.
Overall diameter is listed at 26 in.
| Tire season | Summer |
|---|---|
| Manufacturer | Michelin |
| Tire width | 255 |
| Tire load range | Extra Load |
| Tire load index | 99 |
| Vehicle fitment type | Universal |
| Warranty distance | 30000 mi |
| Is run flat | N |
| Overall diameter | 26 in |
| Tire speed rating | (Y) |
| Vehicle type | Car |
| Tire size | 255/40ZR18XL |
| Construction type | Radial |
| Electric vehicle tire | N |
| Wheel diameter | 18 in |
| Flotation tire | N |
| Maximum vehicle rim width | 10 in |
| Mud & snow rated | N |
| Uniform tire quality grade (utqg) | 300 AA A |
| Minimum vehicle rim width | 8.5 in |
| Total count | 1 |
| Vehicle class designator | P |
| Tire location | Front and Rear Tires |
| Tire sidewall style | Black Sidewall |
| Tire terrain | Highway Terrain |
| Tire diameter | 18 in |
| Compatible cars | Mercedes-Benz C 2018-2021; BMW 335 2012-2013; BMW 330 2017-2018; BMW M3 2001-2018; Ferrari 575 2004-2005; BMW Z4 2019-2023; BMW 430xi 2017-2020; BMW 440I 2017-2020; Mercedes-Benz SL 2003-2016; Jaguar XJR 1998-2003; Mercedes-Benz CLS 2006-2018; BMW M340i 2020-2023; BMW 440xi 2017-2020; Mercedes-Benz E 2010-2011; BMW 430I 2017-2020; BMW 230I 2022-2022; Porsche Boxster 2006-2011; BMW 328 2013-2018; BMW 340 2016-2018; Audi RS6 2003-2003; BMW M4 2015-2020; Audi S6 2007-2011; Lexus IS 2006-2014; BMW 330E 2016-2018; Jaguar XJ 2002-2003; BMW M440i 2021-2024; BMW M440xi 2021-2024; BMW Activehybrid 3 2014-2014; BMW 428 2014-2016; BMW 320 2014-2018; BMW 330xi 2019-2019; BMW M 2006-2008; Ferrari F575 2002-2003; Ferrari F550 1997-2001; BMW M340xi 2020-2023; Toyota Supra 2021-2023; BMW 435 2014-2016 |
| Tire type | Passenger Car Tires |
| Model | 13251 |
| Tread depth | 9.5/32 |
| Maximum inflation pressure | 50 psi |
| Tire aspect ratio | 40 |
| Tire treadwear rating | 300 |
Specifications are as published by the manufacturer. Please confirm the size against the placard on your vehicle before ordering.
| Brand | Michelin |
|---|---|
| Vehicle Type | Passenger Car |
| Season | Summer |
| Terrain | Highway/Touring |
| Tire Size | 255/40ZR18 |
| Rim Diameter Group | 17-18" |
| MPN | 13251 |
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