Recommended Tire Pressure for Cadillac STS-V
What should tire pressure be on Cadillac STS-V?
Check out the recommended Cadillac STS-V tire pressure in psi depending on the year of production, trim level and original equipment tire size.
Find your Cadillac STS-V year in the charts below to see the available stock tire sizes and corresponding tire inflation pressures with load index and speed rating.
2008-2009 Cadillac STS-V 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 255/45 R18 | 101 | V | 30 / 33 |
| P 255/40 R19 | 100 | V | 32 / 35 |
2006-2007 Cadillac STS-V 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 255/45 R18 | 97 | W | 30 / - |
| P 255/40 R19 | 95 | Y | 32 / 35 |
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