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-   -   Will a lift and big tires effect my MPG? (

wenchy 07-27-2012 09:23 AM

Will a lift and big tires effect my MPG?
I know a lifted Jeep with big mud tires isn't going to run or drive as smooth as one straight out of the factory, but how drastically will a lift and big tires effect the gas mileage of the Jeep?

kjeeper10 07-27-2012 09:30 AM

What gearing/tranny/size/weight are all going to determine the loss in PG's

So....... Yes

McDaniel 07-27-2012 11:56 AM


2five22 07-27-2012 12:26 PM


Larger tires and wheels = more mass and inertia. The engine has to work that much harder to overcome the inertia when stopped at a stoplight and accelerate the vehicle to speed. Larger tires can also mean a larger contact point with the ground and that means more friction.

A harder working engine consumes more fuel for an equivalent outcome and that equals lower miles per gallon realized.

MarkNog 07-27-2012 12:27 PM

If you get the tire size/gearing right, the effects can be minimal.

GreenRubi 07-27-2012 12:31 PM


Shrimp 07-27-2012 02:21 PM

Is this a serious question?

Rayko 07-28-2012 08:39 AM

I was already fairly geared (Rubi). After a 33" x !2.5" x 15" tire and wheel swap I didn't really notice any diff in my MPG.

wenchy 07-28-2012 09:56 AM

Thanks MarkNog and Rayko. That was helpful.

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