What size tires fit a 2018 Chevrolet Impala?

The 2018 Chevrolet Impala uses P235/50R18 97H as the OEM tire size.

What tire pressure should a 2018 Chevrolet Impala have?

The recommended tire pressure for the 2018 Chevrolet Impala is 35 PSI front and 35 PSI rear (cold).

Can I use a different tire size on my 2018 Chevrolet Impala?

It is recommended to use the OEM size P235/50R18 97H. 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.

2018 Chevrolet ImpalaTire Size & Pressure

OEM spec from the factory service manual for the LS, 2.5L Eng VIN A, Gas variant.

Quick Answer

OEM Tire Size

P235/50R18 97H

Pressure (Front / Rear)

35 / 35 PSI

Load Index

This vehicle's factory manual

2018 Chevrolet Impala: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

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Other specs:All specs Oil Type Coolant Belt Spark Plugs Trans Fluid Brake Fluid Capacities

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Frequently Asked Questions

What size tires fit a 2018 Chevrolet Impala?: The 2018 Chevrolet Impala uses P235/50R18 97H as the OEM tire size.
What tire pressure should a 2018 Chevrolet Impala have?: The recommended tire pressure for the 2018 Chevrolet Impala is 35 PSI front and 35 PSI rear (cold).
Can I use a different tire size on my 2018 Chevrolet Impala?: It is recommended to use the OEM size P235/50R18 97H. Alternative sizes may affect speedometer accuracy, handling, and clearances.