Tire Pressure: Full Load vs. Partial Load
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Rennlist Member
Joined: Mar 2012
Posts: 264
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From: Oklahoma
Tire Pressure: Full Load vs. Partial Load
I have had my '23 GTS Sedan for about 6 months and have always had the tires inflated to "Full Load" pressures. (21" All Season Tires) I decided to try "Partial Load" as the vast majority of the time I have no passengers and nothing in the trunk or frunk. It does affect the general comfort/handling of the ride (softer) and also seems to produce a bit more tire noise. But, does this affect the mileage achieved (seems like higher inflation would produce less rolling resistance) and/or the tire wear?
Racer
Joined: Jan 2020
Posts: 372
Likes: 162
From: MI/CA
I have had my '23 GTS Sedan for about 6 months and have always had the tires inflated to "Full Load" pressures. (21" All Season Tires) I decided to try "Partial Load" as the vast majority of the time I have no passengers and nothing in the trunk or frunk. It does affect the general comfort/handling of the ride (softer) and also seems to produce a bit more tire noise. But, does this affect the mileage achieved (seems like higher inflation would produce less rolling resistance) and/or the tire wear?
My car's "Energy" screen says that running my tires @ 38 psi costs ~1.3% of total range vs. the suggested 42 psi.
I personally don't care at all about 3-4 miles of range, but I do care about the better ride quality provided by 38 psi.
Last edited by Zcd1; Sep 6, 2023 at 03:17 PM.
