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Tire size and gas mileage

2574 Views 0 Replies 1 Participant Last post by  70mse
I have an 09 Prius that orginally had P185x65x15 Goodyear tires.
I couple of weeks ago I bought Michelin P195x65x15 tires.
Now my gas mileage has droped more than 10%.
Is ther something I can do to get my mileage back up ?
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