Tire size and MPG

[sticks]

see attached calculator.
with the smaller diameter your odometer and speedo are off by .0014%.

a qtr mile on 200 mile trip.

[sticks]

the above info comes from an online calculator.

see tire size.com and click on the calculator (comparison)

[Buckwheat]

2002 chevy 1500 xcab z71, 5.3L, auto trans, have cooper atp on there now, really like those tires.


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I had an 01 Z71 extended cab. 373 gears. 265 I'd get about 16 mpg went to 285 A/T and it dropped to 14.5. Last tires I had were 285s mud terrains and it dropped to 13mpg. The bigger tires weigh more and take more to run.

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[sambo73]

I had an 01 Z71 extended cab. 373 gears. 265 I'd get about 16 mpg went to 285 A/T and it dropped to 14.5. Last tires I had were 285s mud terrains and it dropped to 13mpg. The bigger tires weigh more and take more to run.

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Thx


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