Recommended Tire Pressure for Subaru WRX STI


What should tire pressure be on Subaru WRX STI?

Check out the recommended Subaru WRX STI tire pressure in psi depending on the year of production, trim level and original equipment tire size.

Find your Subaru WRX STI year in the charts below to see the available stock tire sizes and corresponding tire inflation pressures with load index and speed rating.


2021 Subaru WRX STI 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 245/35 R19 93 W 33 / 32
P 255/45 R19 95 Y 33 / 32
P 255/30 R19 95 W 36 / 33
P 255/30 R20 96 Y 36 / 33

2020 Subaru WRX STI 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 235/50 R17 96 V 33 / 32
P 225/25 R18 82 W 33 / 32
P 245/35 R19 93 W 33 / 32
P 245/30 R20 90 Y 36 / 33
P 255/30 R20 96 Y 36 / 33

2019 Subaru WRX STI 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 225/40 R19 97 V 33 / 32
P 235/30 R19 85 V 36 / 33
P 245/35 R19 93 W 33 / 32
P 265/35 R19 95 Y 33 / 32
P 275/30 R19 94 Z 36 / 33
P 255/45 R20 106 V 33 / 32
P 255/30 R20 96 Y 36 / 33
P 255/35 R20 95 Y 33 / 32

2018 Subaru WRX STI 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 245/50 R17 95 V 33 / 32
P 245/40 R17 97 V 33 / 32
P 245/25 R18 88 W 33 / 32
P 275/35 R18 90 W 33 / 32
P 245/35 R19 93 W 33 / 32
P 265/40 R19 97 Y 36 / 33
P 255/30 R20 96 Y 36 / 33
P 265/35 R20 95 Y 33 / 32
P 265/20 R21 97 Y 36 / 33

2017 Subaru WRX STI 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 245/40 R18 96 W 33 / 32
P 245/50 R18 100 V 33 / 32
P 235/35 R19 91 W 33 / 32
P 245/35 R19 93 W 33 / 32
P 255/35 R19 95 Y 36 / 33
P 265/40 R19 97 Y 36 / 33
P 255/30 R20 96 Y 36 / 33
P 265/25 R20 96 V 33 / 32
P 235/20 R21 92 Y 36 / 33

2016 Subaru WRX STI 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 235/40 R16 94 V 36 / 35
P 235/55 R16 97 H 33 / 32
P 235/55 R18 97 W 36 / 35
P 245/40 R18 96 W 33 / 32
P 225/25 R19 91 Y 36 / 33
P 235/45 R19 92 W 33 / 32
P 245/35 R19 93 W 33 / 32
P 255/35 R19 95 Y 36 / 33
P 265/30 R19 97 W 33 / 32
P 255/30 R20 96 Y 36 / 33
P 255/20 R20 92 Y 36 / 33
P 265/30 R21 95 W 36 / 33



Subaru WRX STI specs

Wheel size
Wheel Interchange
Lug nut size
Tire size
Tire pressure
Bolt pattern
Wheel offset
Hub bore size
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