What size tires fit a 1989 Cadillac DeVille?

The 1989 Cadillac DeVille uses P205/70R15 as the OEM tire size.

What tire pressure should a 1989 Cadillac DeVille have?

The recommended tire pressure for the 1989 Cadillac DeVille is 30 PSI front and 30 PSI rear (cold).

Can I use a different tire size on my 1989 Cadillac DeVille?

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.

1989 Cadillac DeVilleTire Size & Pressure

OEM spec from the factory service manual for the 2D Coupe variant.

Quick Answer

OEM Tire Size

P205/70R15

Pressure (Front / Rear)

30 / 30 PSI

Load Index

Source: Factory service manual — 1989 Cadillac DeVille 2D Coupe. View full manual section →

Other specs:All specs Oil Type Coolant

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Frequently Asked Questions

What size tires fit a 1989 Cadillac DeVille?: The 1989 Cadillac DeVille uses P205/70R15 as the OEM tire size.
What tire pressure should a 1989 Cadillac DeVille have?: The recommended tire pressure for the 1989 Cadillac DeVille is 30 PSI front and 30 PSI rear (cold).
Can I use a different tire size on my 1989 Cadillac DeVille?: It is recommended to use the OEM size P205/70R15. Alternative sizes may affect speedometer accuracy, handling, and clearances.