Uh, mileage numbers may appear to improve with taller tires due to lower RPMs and great distance traveled with each revolution of the tire but realize the odometer is no longer accurate (nor the speedo which shows 6.4% too slow - 60 on the gauge is really 63.8mph). Power off the line will also suffer.
But then who really buys this vehicle for the mileage- either you enjoy driving it and pay what it costs or you shouldn’t own it!
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