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Averaging 20mpg on a GT-PP, what do you get?

HoosierDaddy

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You folks getting 20 mpg mixed on your GT-PP, what gas are you using?
Top Tier 87 octane. But with my sizable petroleum investments I strongly encourage others to use 91 or 93.
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CNTLOSE

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I have a 2017 with less than 300 miles and I am at 18 mpg with 50/50 driving. Guessing 20 should be no problem once she is broke in.
 

hegel

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My commute is 55 miles one way. between my commute during the day and the fun driving on the weekend i'm averaging about 23mpg calculated
 

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porter7

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I usually get about 13-14 when I drive mostly in stop go areas.. but do pretty well when driving more on the highway, usually around 22
 

airfuel

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What are the differences in mpg's between the different rear axle ratios? (3:31, 3:55, 3:71)
 

Ron Avery

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I live in Oxnard Ca, and drive a few days a week into Van Nuys to work. It is around 50 miles one way. I drive 85 % on the freeway. Performance pack / stick.
I average around 20MPG or more depending on traffic.
Ron
 

16RRGT

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16 GT Premium A6 Roush Phase 1 = 20.7 MPG 2250 miles.
 

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Coyote Red

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I read that BG ultraguard 75w-90 differential fluid change will help fuel mileage after 10-20 thousand miles on the odometer. Nano gear oil now sold at Autozone may also help mileage improve, what a blast research is! I gonna powerslide this new pony somemore tomorrow.
 

ConspicuousConsumption

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19.5 lifetime over 5500 miles or so. 25.5 is best highway.

I think my tire pressure is way too high. I never screw with it. Any advice for the ideal tire pressure in terms of mpg? (Not that I will actually take the advice, just curious).
 

Jay159866

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Must be nice to get those extra miles per gallon. I'm at 14MPG at 10k~ miles.
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