Originally posted by DriverOne
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I wouldn't want to go with anything bigger. On my last Echo Hatchback, I had 17" tires with EXTREMELY low profile tires, and it reduced my gas mileage by over 10% . This is due to the additional rolling resistance as the weight is further away from the center of the wheel. (Inertia and all that, lol) Take a look at the graph on this fuelly page for my old Echo ---> http://www.fuelly.com/driver/darlo/echo It is really cool that I saw an overnight difference of +6mpg!
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Here is an image of the wheels I had on the other echo, but my tires were much smaller.....http://img388.imageshack.us/img388/3968/corewhlsqf5.jpg
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