What size tires fit a 2008 Audi A5?

The 2008 Audi A5 uses P245/40R18 93H as the OEM tire size.

What tire pressure should a 2008 Audi A5 have?

The recommended tire pressure for the 2008 Audi A5 is 36 PSI front and 35 PSI rear (cold).

Can I use a different tire size on my 2008 Audi A5?

It is recommended to use the OEM size P245/40R18 93H. 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.

2008 Audi A5Tire Size & Pressure

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

Quick Answer

OEM Tire Size

P245/40R18 93H

Pressure (Front / Rear)

36 / 35 PSI

Load Index

Source: Factory service manual — 2008 Audi A5 Automatic. View full manual section →

Other specs:All specs Oil Type Coolant

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Frequently Asked Questions

What size tires fit a 2008 Audi A5?: The 2008 Audi A5 uses P245/40R18 93H as the OEM tire size.
What tire pressure should a 2008 Audi A5 have?: The recommended tire pressure for the 2008 Audi A5 is 36 PSI front and 35 PSI rear (cold).
Can I use a different tire size on my 2008 Audi A5?: It is recommended to use the OEM size P245/40R18 93H. Alternative sizes may affect speedometer accuracy, handling, and clearances.