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- Hummer H2 (https://www.hummerforums.com/forum/hummer-h2-8/)

- - Suggested PSI? (https://www.hummerforums.com/forum/hummer-h2-8/suggested-psi-48974/)

H2Bears

Jun 4, 2025 02:23 AM

Suggested PSI?

We have LT315/70R17 tires on our 03 H2. We have the psi at 32 on our tires. They don’t recommend exceeding 65 psi. But seriously what should we inflate them too?

calif phil

Jun 4, 2025 08:16 AM

I do 38 psi. 40 if towing. Minimum should be 37 psi.

H2Bears

Jun 4, 2025 02:20 PM

Thanks! That’s extremely helpful!

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