Porsche 911 tyre pressures recommendations and sizes
| Tyre Size | Position | Pressure |
|---|---|---|
| 255/35R20 97Y | Front | - |
| 315/30R21 105Y | Rear | - |
Legal Mentions
The load and/or speed ratings displayed may differ slightly from the original size specified on the vehicle label. As a qualified professional, your tyre dealer will be able to advise you in :
1. Informing you if the load and/or speed rating of the replacement tyres is different from the original tyres.
2. Determining whether the tyre pressure should be adjusted for the proposed alternative size
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