What should the tire pressure be on a Lexus 300?
In short, the correct tire pressure is model- and tire-size–specific, but most Lexus 300-series vehicles use roughly 32-35 psi when cold. The exact figure is printed on the driver’s door jamb placard and in the owner’s manual.
Because "Lexus 300" can refer to several models and generations (such as IS 300, ES 300, GS 300, RX 300, and others) from different years, the precise number can vary. Factors include whether the tires are standard or oversized, the load in the car, and driving conditions. Always confirm with the official placard and manual to avoid under- or over-inflation, which can affect safety and tire wear.
Where to find the official tire pressure specification
Use these steps to locate the exact cold-pressure value for your car and tire size.
- Open the driver's door and locate the tire information placard near the latch. It lists the recommended cold tire pressure for the front and rear tires, and the tire size.
- Consult the owner’s manual for the model/year’s recommended pressures and any differences by tire size or load rating.
- If you’ve installed non-OEM tires or wheels, refer to the tire placard or a dealer for the correct pressure; do not rely on the maximum tire pressure printed on the sidewall.
- Measure tires when they are cold, ideally before driving or after at least 3 hours of no driving, using a reliable gauge.
- Inflate to the recommended value, then recheck to confirm the pressure is correct and even across all tires.
Following these steps helps ensure you’re driving with the correct pressures for safety, fuel efficiency, and tire longevity.
Typical pressure ranges you may see on Lexus 300-series models
To give a sense of common practice, here are general ranges used in many Lexus 300-series vehicles. Remember: your exact number is on the placard for your car.
- Standard tires on many Lexuses in this family commonly specify roughly 32-34 psi when cold.
- Vehicles with larger or sport-oriented tires (18- to 19-inch wheels) may list 34-36 psi, depending on load and trim.
- The spare tire (if equipped with a temporary spare) is typically inflated to about 60 psi.
Always verify with the official specification printed on the door placard or in the owner's manual, and adjust for seasonal temperature changes or if you regularly carry heavy loads.
Summary
The exact tire pressure for a Lexus 300 depends on the specific model, year, and tire size. The best practice is to check the door jamb placard and the owner's manual for the precise cold-inflation value and to maintain the tires cold when measuring. A typical range for many models in this family is around 32-35 psi, with higher pressures possible for larger wheels or specific configurations. Always verify with the official source and adjust for load or speed conditions.
Should I use 32 or 35 tire pressure?
For most cars, the recommended tire pressure is between 32 and 35 psi, and you should use the pressure listed on the driver's side door jamb or in the owner's manual. The correct pressure can vary by vehicle, and the pressure on the tire's sidewall is a maximum, not the recommended value. Using the correct pressure ensures proper handling, fuel efficiency, and tire life, while using the wrong pressure can cause poor handling, reduced traction, and premature wear.
How to find the right pressure
- Check the sticker on the driver's side door jamb. This is the most reliable source for your specific vehicle.
- Consult your owner's manual for the manufacturer's recommendation.
- Note that the pressure should be checked when the tires are cold (before driving).
- Don't use the pressure listed on the tire's sidewall, as this is the maximum pressure the tire can hold, not the recommended pressure for your car.
Why the correct pressure is important
- Too low: Can lead to poor fuel economy, premature tire wear, and a higher risk of tire failure.
- Too high: Can cause reduced traction, an uncomfortable ride, and rapid, uneven tire wear.
- Correct pressure: Optimizes handling, safety, and fuel efficiency, and helps your tires last longer.
What is the tire pressure for a 2003 Lexus ES 300?
Lexus ES300 tire pressures & sizes
| Tire Size | Position | Pressure |
|---|---|---|
| P205/65VR15 V | Front | 32 |
| P205/65VR15 V | Rear | 32 |
| P215/60R16 94V | Front | 29 |
| P215/60R16 94V | Rear | 29 |
What tyre pressure for Lexus Nx300?
2.2 Bar
LEXUS Nx tyre pressures recommendations and sizes
| Tyre Size | Position | Pressure |
|---|---|---|
| 225/60 R 18 100H | Front | 2.2 Bar |
| 225/60 R 18 100H | Rear | 2.2 Bar |
| 235/55 R 18 100V | Front | 2.2 Bar |
| 235/55 R 18 100V | Rear | 2.2 Bar |
What is the tire pressure for a Lexus 300?
35 psi
Recently discontinued models
| LEXUS MODEL | YEAR | FRONT SIZE / PRESSURE |
|---|---|---|
| NX 300h | 2014 – 2021 | 225/60 R18 / 2.2 bar or 32 psi |
| RC 200t | 2015 – 2017 | 235/40 R19 / 2.4 bar or 35 psi |
| RC 300h | 2015 – 2021 | 235/45 R18 / 2.4 bar or 35 psi |
| RC 300h | 2015 – 2021 | 235/40 R19 / 2.4 bar or 35 psi |
