What size tires fit a 2020 Lexus GX?

The 2020 Lexus GX uses P265/60R18 109H as the OEM tire size.

What tire pressure should a 2020 Lexus GX have?

The recommended tire pressure for the 2020 Lexus GX is 32 PSI front and 32 PSI rear (cold).

Can I use a different tire size on my 2020 Lexus GX?

It is recommended to use the OEM size P265/60R18 109H. Alternative sizes may affect speedometer accuracy, handling, and clearances.

Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2020 Lexus GXTire Size & Pressure

OEM spec from the factory service manual for the Base variant.

Quick Answer

OEM Tire Size

P265/60R18 109H

Pressure (Front / Rear)

32 / 32 PSI

Load Index

Source: Factory service manual — 2020 Lexus GX Base. View full manual section →

Other specs:All specs Oil Type Coolant

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P265/60R18 109H for Lexus GX

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Frequently Asked Questions

What size tires fit a 2020 Lexus GX?: The 2020 Lexus GX uses P265/60R18 109H as the OEM tire size.
What tire pressure should a 2020 Lexus GX have?: The recommended tire pressure for the 2020 Lexus GX is 32 PSI front and 32 PSI rear (cold).
Can I use a different tire size on my 2020 Lexus GX?: It is recommended to use the OEM size P265/60R18 109H. Alternative sizes may affect speedometer accuracy, handling, and clearances.