Quote:
Originally Posted by PNW_Steve
Hey Everyone,
When I upgraded tires on the Dodge I killed my fuel economy. I thought "Taller=better economy". I was mistaken..... Then I figured out rotational mass and moment........
What can you all recommend as the best tire solution for a capable mud and snow tire that will not kill my economy?
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If the fairly road-oriented stock Gladiator tyres don't do it, you're going to take multiple hits in fuel efficiency anyway ...
Bigger tyre (even with same rim size) and more mud or offroad oriented, that is going to:
be heavier - HIT #1
worsen your aero by lifting up the body - HIT #2
increase rolling resistance through its more open profile - HIT #3
increase rolling resistance through lower tyre pressure - HIT #4
Essentially the opposite of what folks here are shooting for
I guess your best shot is asking at a Jeep / offroad forum - but they generally don't have a tyre's FE high on the priorities list
For overlanders -especially Ozzies- FE might be more a thing, as it defines their range and autonomy.