Quote:
Originally Posted by oil pan 4
Do you have to run the 1980s classic 235/75R15 tire size for any particular reason?
That is what my suburban should have, I put 31 inch tires on it.
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Generally, larger tires mean lower fuel economy, so replacing my 28.9" standard with the 31 would result in lower mileage. You might think otherwise since the larger tire size acts like a differential reduction, but most everything I've read suggests this.