Lexus IS300 Tire Pressure

Lexus IS300 models from 2005 to 2021 have recommended tire pressure of 33 psi to 36 psi based on model year, trim and original equipment tire size.

Lexus IS300 is a passenger car offered in 3 trims and equipped with 5 original equipment tire size sets. You can find recommended tire pressure for Lexus IS300 by model year, model trim or its original equipment tire size. Do not forget to check out frequently asked questions.


Select Lexus IS300 year to see its original equipment tire sizes and corresponding tire inflation pressures.

2021 Lexus IS300 Tire Pressure

Recommended tire pressure for 2021 Lexus IS300 is psi for front tires and psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
235/45R18 94V -- psi -- psi

2020 Lexus IS300 Tire Pressure

Recommended tire pressure for 2020 Lexus IS300 is 36 psi for front tires and 36 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 225/40R18 88W
R: 255/35R18 90W
36 psi 36 psi
225/45R17 91V 36 psi 36 psi

2019 Lexus IS300 Tire Pressure

Recommended tire pressure for 2019 Lexus IS300 is 36 psi for front tires and 36 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 225/40R18 88W
R: 255/35R18 90W
36 psi 36 psi
225/45R17 91V 36 psi 36 psi

2018 Lexus IS300 Tire Pressure

Recommended tire pressure for 2018 Lexus IS300 is 36 psi for front tires and 36 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 225/40R18 88W
R: 255/35R18 90W
36 psi 36 psi
225/45R17 91V 36 psi 36 psi

2017 Lexus IS300 Tire Pressure

Recommended tire pressure for 2017 Lexus IS300 is 36 psi for front tires and 36 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 225/40R18 88W
R: 255/35R18 90W
36 psi 36 psi
225/45R17 91V 36 psi 36 psi

2016 Lexus IS300 Tire Pressure

Recommended tire pressure for 2016 Lexus IS300 is 36 psi for front tires and 36 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 225/40R18 88W
R: 255/35R18 90W
36 psi 36 psi
225/45R17 91V 36 psi 36 psi

2005 Lexus IS300 Tire Pressure

Recommended tire pressure for 2005 Lexus IS300 is 33 psi for front tires and 33 psi to 35 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
215/45R17 87W 33 psi 33 psi
F: 215/45R17 87H
R: 225/45R17 91H
33 psi 35 psi
P205/55R16 89V 33 psi 33 psi

Select Lexus IS300 trim to see its original equipment tire sizes and corresponding tire inflation pressures.

Tire Pressure for Lexus IS300

Recommended tire inflation for Lexus IS300 is 33 psi to 36 psi for front tires and 33 psi to 36 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
215/45R17 87W 33 psi 33 psi
F: 225/40R18 88W
R: 255/35R18 90W
36 psi 36 psi
225/45R17 91V 36 psi 36 psi
235/45R18 94V -- psi -- psi
P205/55R16 89V 33 psi 33 psi

Tire Pressure for Lexus IS300 F Sport

Recommended tire inflation for Lexus IS300 F Sport is 36 psi for front tires and 36 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 225/40R18 88Y
R: 255/35R18 90Y
36 psi 36 psi

Tire Pressure for Lexus IS300 Sportcross

Recommended tire inflation for Lexus IS300 Sportcross is 33 psi for front tires and 35 psi for rear tires.

Tire Size Front Tire Pressure Rear Tire Pressure
F: 215/45R17 87H
R: 225/45R17 91H
33 psi 35 psi

Recommended tire inflation for Lexus IS300 original equipment tire sizes with matching trims and model years.

Tire Size Front Tire Pressure Rear Tire Pressure
215/45R17 87W 33 psi 33 psi
Years: 2005
Trims: Base Model
F: 215/45R17 87H
R: 225/45R17 91H
33 psi 35 psi
Years: 2005
Trims: Sportcross
F: 225/40R18 88W
R: 255/35R18 90W
36 psi 36 psi
Years: 2016 - 2020
Trims: Base Model F Sport
225/45R17 91V 36 psi 36 psi
Years: 2016 - 2020
Trims: Base Model
235/45R18 94V -- psi -- psi
Years: 2021
Trims: Base Model
P205/55R16 89V 33 psi 33 psi
Years: 2005
Trims: Base Model

All listed data and/or calculations are for informational purposes only. TirePressure.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. Always refer to vehicle owner's manual for recommended tire pressure settings. Never overinflate or overload a tire beyond its maximum capabilities listed on sidewall.


What should Lexus IS300 tire pressure be?

Recommended tire pressure for Lexus IS300 tires ranges from 33 psi to 36 psi, as set by vehicle manufacturer according to model's original equipment tire size and gross vehicle weight rating (GVWR) to optimize vehicle safety, performance and fuel efficiency.

Where to find recommended tire pressure for Lexus IS300?

Lexus IS300 recommended tire pressure can be found in owner's manual, on a tire placard on the side of driver's door or door jam, on the trunk lid, in the console or on the fuel door. Tire inflation will be listed in psi (pounds per square inch), bar or kPa (kilopascals).

How to check tire pressure on Lexus IS300?

To check Lexus IS300 tire pressure you will first need to determine its recommended tire pressure for the front and rear tires. Take off tire valve caps and use a tire pressure gauge to check tire inflation in every tire. Adjust Lexus IS300 tire pressure to its recommended levels. If overinflated, let some air out by pressing down the center plunger in the valve stem. If underinflated, add air with tire inflator. Recheck tire pressure to make sure all tires are properly inflated. Replace the valve stem caps. Make sure to check tire pressure when tires are "cold" and have not been driven for at least 3 hours. Remember that the front and rear tire pressures may differ.

What is proper tire pressure for Lexus IS300 replacement tires?

If you replace Lexus IS300 original equipment tires with non-stock tires that have different size or load capacity, new tires may require substantially different inflation pressures. Use our tire pressure calculator to find proper tire inflation when switching to a different tire size.

What is recommended winter tire pressure for Lexus IS300?

Tire pressure fluctuates with ambient temperatures. When temperatures drop, Lexus IS300 tires may lose approximately 1 psi of air pressure for every 10 degree Fahrenheit decrease. During winter Lexus IS300 tires can be inflated 3 to 5 psi above the recommended tire pressure settings to compensate for lower temperatures. Do not overinflate above the maximum tire inflation pressure value indicated on tire sidewall. Make sure to check tire pressure regularly in the winter to keep tires properly inflated for a safe ride on snow and icy roads.

Is Lexus IS300 equipped with Tire Pressure Monitoring System (TPMS)?

If your Lexus IS300 is built after 2007, it is most likely equipped with a Tire Pressure Monitoring System. Check owner's manual to see if your model has TPMS.

Why is Lexus IS300 tire pressure light on?

If Lexus IS300 TPMS warning light comes on and stays on, it means at least one of the tires is underinflated. If TPMS warning light goes on and off, fluctuating ambient temperatures may be the reason. If Lexus IS300 TPMS warning light flashes for 90 seconds when you start the vehicle and then remains illuminated, the TPMS is not functioning properly and you should have it serviced.

How to reset tire pressure light on Lexus IS300?

To reset tire pressure light on Lexus IS300, follow the instructions in owner's manual. If tire pressure monitoring system will not reset, there may be a problem with tire pressure sensors.