Recommended Tire Pressure for Porsche Boxster
What should tire pressure be on Porsche Boxster?
Check out the recommended Porsche Boxster tire pressure in psi depending on the year of production, trim level and original equipment tire size.
Find your Porsche Boxster year in the charts below to see the available stock tire sizes and corresponding tire inflation pressures with load index and speed rating.
2012-2016 Porsche Boxster Tire Pressure
Monitor tire pressure with the TPMS or gauges. Fix flat tires with tire inflators.
| Tire size | Load index | Speed rating | PSI (Front / Rear) |
| P 235/45 R18 | 94 | V | 29 / 30 |
| P 235/40 R19 | 92 | V | 29 / 30 |
| P 235/35 R20 | 88 | Y | 32 / 33 |
2009-2011 Porsche Boxster Tire Pressure
Monitor tire pressure with the TPMS or gauges. Fix flat tires with tire inflators.
| Tire size | Load index | Speed rating | PSI (Front / Rear) |
| P 205/55 R17 | 91 | Y | 29 / 30 |
| P 235/40 R18 | 91 | V | 29 / 30 |
| P 235/35 R19 | 94 | Y | 32 / 33 |
| P 235/30 R20 | 85 | Y | 33 / 36 |
2008 Porsche Boxster Tire Pressure
Monitor tire pressure with the TPMS or gauges. Fix flat tires with tire inflators.
| Tire size | Load index | Speed rating | PSI (Front / Rear) |
| P 205/55 R17 | 91 | Y | 29 / 30 |
| P 235/40 R18 | 91 | Y | 29 / 30 |
| P 235/35 R18 | 91 | Y | 29 / 30 |
| P 235/35 R19 | 94 | Y | 32 / 33 |
2005-2007 Porsche Boxster Tire Pressure
Monitor tire pressure with the TPMS or gauges. Fix flat tires with tire inflators.
| Tire size | Load index | Speed rating | PSI (Front / Rear) |
| P 205/55 R17 | 91 | Y | 29 / 30 |
| P 235/40 R18 | 91 | V | 29 / 30 |
| P 235/35 R19 | 94 | Y | 32 / 33 |
| P 235/30 R20 | 85 | Y | 33 / 36 |
1999-2004 Porsche Boxster Tire Pressure
Monitor tire pressure with the TPMS or gauges. Fix flat tires with tire inflators.
| Tire size | Load index | Speed rating | PSI (Front / Rear) |
| P 205/55 R16 | 89 | T | 29 / 36 |
| P 205/50 R17 | 89 | T | 29 / 36 |
| P 225/45 R17 | 91 | W | 29 / 36 |
| P 225/40 R18 | 88 | W | 29 / 36 |
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