What size tires fit a 1990 Buick Riviera?

The 1990 Buick Riviera uses P205/70R15 as the OEM tire size.

What tire pressure should a 1990 Buick Riviera have?

The recommended tire pressure for the 1990 Buick Riviera is 28 PSI front and 26 PSI rear (cold).

Can I use a different tire size on my 1990 Buick Riviera?

It is recommended to use the OEM size P205/70R15. 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.

1990 Buick RivieraTire Size & Pressure

OEM spec from the factory service manual for the 440T4/ME9 variant.

Quick Answer

OEM Tire Size

P205/70R15

Pressure (Front / Rear)

28 / 26 PSI

Load Index

This vehicle's factory manual

The tire spec is above. This opens the tire section of the 1990 Buick Riviera 440T4/ME9 factory book.

Open the 1990 Buick manual

Other specs:All specs

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P205/70R15 for Buick Riviera

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Frequently Asked Questions

What size tires fit a 1990 Buick Riviera?: The 1990 Buick Riviera uses P205/70R15 as the OEM tire size.
What tire pressure should a 1990 Buick Riviera have?: The recommended tire pressure for the 1990 Buick Riviera is 28 PSI front and 26 PSI rear (cold).
Can I use a different tire size on my 1990 Buick Riviera?: It is recommended to use the OEM size P205/70R15. Alternative sizes may affect speedometer accuracy, handling, and clearances.