What size tires fit a 2012 GMC Acadia?

The 2012 GMC Acadia uses P255/55R20 107H as the OEM tire size.

What tire pressure should a 2012 GMC Acadia have?

The recommended tire pressure for the 2012 GMC Acadia is 35 PSI front and 35 PSI rear (cold).

Can I use a different tire size on my 2012 GMC Acadia?

It is recommended to use the OEM size P255/55R20 107H. 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.

2012 GMC AcadiaTire Size & Pressure

OEM spec from the factory service manual for the Denali, AWD variant.

Quick Answer

OEM Tire Size

P255/55R20 107H

Pressure (Front / Rear)

35 / 35 PSI

Load Index

Source: Factory service manual — 2012 GMC Acadia Denali, AWD. View full manual section →

Other specs:All specs Oil Type Coolant

Shop Tires

Replacement Tires

P255/55R20 107H for GMC Acadia

Search Amazon →

Tool

Digital Tire Pressure Gauge

Search Amazon →

Frequently Asked Questions

What size tires fit a 2012 GMC Acadia?: The 2012 GMC Acadia uses P255/55R20 107H as the OEM tire size.
What tire pressure should a 2012 GMC Acadia have?: The recommended tire pressure for the 2012 GMC Acadia is 35 PSI front and 35 PSI rear (cold).
Can I use a different tire size on my 2012 GMC Acadia?: It is recommended to use the OEM size P255/55R20 107H. Alternative sizes may affect speedometer accuracy, handling, and clearances.