What size tires fit a 2015 Buick Enclave?

The 2015 Buick Enclave uses P255/65R18 109S as the OEM tire size.

What tire pressure should a 2015 Buick Enclave have?

The recommended tire pressure for the 2015 Buick Enclave is 35 PSI front and 35 PSI rear (cold).

Can I use a different tire size on my 2015 Buick Enclave?

It is recommended to use the OEM size P255/65R18 109S. 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.

2015 Buick EnclaveTire Size & Pressure

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

Quick Answer

OEM Tire Size

P255/65R18 109S

Pressure (Front / Rear)

35 / 35 PSI

Load Index

This vehicle's factory manual

2015 Buick Enclave: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

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Other specs:All specs Spark Plugs

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P255/65R18 109S for Buick Enclave

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Frequently Asked Questions

What size tires fit a 2015 Buick Enclave?: The 2015 Buick Enclave uses P255/65R18 109S as the OEM tire size.
What tire pressure should a 2015 Buick Enclave have?: The recommended tire pressure for the 2015 Buick Enclave is 35 PSI front and 35 PSI rear (cold).
Can I use a different tire size on my 2015 Buick Enclave?: It is recommended to use the OEM size P255/65R18 109S. Alternative sizes may affect speedometer accuracy, handling, and clearances.