CHANGING TIRES

BY: MARLA TAYLOR

AUDI R8

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Factory Tire Information

Firestone - Firehawk Wide Oval Indy 500

235/40R18



Replacement Tire Information

Firestone - Firehawk GT

225/55R17


Factory Miles Per Gallon

19 Miles Per Gallon


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k ration: 0.9

1. 45,000


2. 63

3. 21.1