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Tire size impact on mileage

Baltimoreed

TJ Enthusiast
Supporting Member
Joined
May 18, 2019
Messages
508
Location
Aurora, NC
When I get my next set of tires would switching from 30x9.50R15 to 225x75R15 tires improve my stock Tj’s mileage?
 

Leinhit

TJ Enthusiast
Joined
Sep 26, 2017
Messages
364
Location
MI
If you haven't already compared those sizes..

That's only a 28" diameter tire.. and about an 1" narrower.. says it will spin about 40 more times a mile.. I can't see it helping your mileage but can't say for sure with all the other variables but I doubt it.