Porsche Boxster tire pressures & sizes
| Tire Size | Position | Pressure |
|---|---|---|
| 205/55ZR16 | Front | 29 Bar |
| 225/50ZR16 | Rear | 36 Bar |
| 205/50ZR17 | Front | 29 Bar |
| 255/40ZR17 | Rear | 36 Bar |
| 205/55R16 89T | Front | 29 Bar |
| 225/50R16 92T | Rear | 36 Bar |
| 205/50R17 89T | Front | 29 Bar |
| 255/40R17 94T | Rear | 36 Bar |
| 205/50R17 89T | Front | 29 Bar |
| 225/45R17 90T | Rear | 36 Bar |
| 205/55R17 91Y | Front | 30 Bar |
| 235/50R17 96Y | Rear | 37 Bar |
| 205/55R17 91V | Front | 29 Bar |
| 235/50R17 96V | Rear | 36 Bar |
| 205/55ZR17 91Y | Front | 29 Bar |
| 235/50ZR17 96Y | Rear | 36 Bar |
| 225/40ZR18 | Front | 29 Bar |
| 265/35ZR18 | Rear | 36 Bar |
| 225/40R18 88H | Front | 29 Bar |
| 265/35R18 93H | Rear | 36 Bar |
| 235/35ZR19 87(Y) | Front | 32 Bar |
| 265/35ZR19 94(Y) | Rear | 37 Bar |
| 235/40R18 91V | Front | 29 Bar |
| 255/40R18 95V | Rear | 36 Bar |
| 235/40ZR18 91(Y) | Front | 30 Bar |
| 265/40ZR18/XL 101(Y) | Rear | 37 Bar |
| 235/35R19 87(Y) | Front | 32 Bar |
| 265/35ZR19 94(Y) | Rear | 37 Bar |
| 235/40R18/XL 91V | Front | 29 Bar |
| 255/40R18 95V | Rear | 36 Bar |
| 235/35ZR20 88(Y) | Front | 33 Bar |
| 265/35ZR20 95(Y) | Rear | 33 Bar |
| 235/45ZR18 94Y | Front | 29 Bar |
| 265/45ZR18 101Y | Rear | 29 Bar |
| 235/40ZR19 92(Y) | Front | 29 Bar |
| 265/40ZR19 98(Y) | Rear | 30 Bar |
| 235/40ZR18 91(Y) | Front | 30 Bar |
| 265/40ZR18/RF 101(Y) | Rear | 37 Bar |
Legal Notices
The load and/or speed ratings displayed may differ slightly from the original size specified on the vehicle label. As a qualified professional, your tire dealer will be able to advise you in :
1. Informing you if the load and/or speed rating of the replacement tires is different from the original tires.
2. Determining whether the tire pressure should be adjusted for the proposed alternative size