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Old 12-14-2011, 08:57 PM   #9
bullmand
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My "lifetime" average over the last several years of recording the mileage at each fill-up is right at 30 mpg. That's a mix of highway, city, autocross, AC, wide summer tires, narrower winter tires, etc. About the only constant has been oil weight at 5w30, but that's been several different brands of synthetic. For the OP, if you're not seeing at least high 20s on the highway then something's wrong.
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