Plus 1 size, will it reduce mpg??? - Wheel and Tire Forum - j-body.org

Plus 1 size, will it reduce mpg??? - Wheel and Tire Forum

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Plus 1 size, will it reduce mpg???

Monday, October 10, 2005 8:04 AM

I need a new set of 196/65/15 tires for my Cavi 2.4 LS. Do you think that 205/65/15’s will add more rolling resistance and cut back on my mpg? The car is running great now, 34mpgs+ on the highway.

I’m thinking about getting Kumho 795’s for it.

Thanks - Brad

Re: Plus 1 size, will it reduce mpg???

Monday, October 10, 2005 8:31 AM

IamRascal

that should'nt make a difference in your mileage. If anything the extra weight of the tire will make a difference but not enough to rob any mileage.

but your speedomer will say 60mph when your actually going 61 mph

http://www.miata.net/garage/tirecalc.html (great tool for calculating tire sizes in comparison to stock)

-Chris

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