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What's the best MPG you've gotten in your X?

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Old May 29, 2012, 01:53 PM
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What's the best MPG you've gotten in your X?

Expecting roughly 18 City, 23 Highway I was pretty surprised last night at my MPG.

I drove 85 Miles with highway speeds of 65mph as well as many roads in between down to as slow as 25MPH. My result was an average of 26.5mpg. Still not great compared to many cars on the road, but I'll take that with no complaints.

I figured 23mpg would be the best case scenario. This was with the climate control working the whole time. Ambient temps were 82-89dF. Not sure if that is factored into the equation or not. Full automatic on the normal setting. I'm never in boost so I'm sure that helps.
Old May 29, 2012, 02:03 PM
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The display says I average 17.
Old May 29, 2012, 02:05 PM
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Originally Posted by irisx
The display says I average 17.
I have a feeling I know why.
Old May 29, 2012, 03:12 PM
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This thread pops up a lot. I use aCar for Android to keep track of everything with my Evo. I run like 628 gallons through the car since I bought it.
11 GSR with OE tune. Lots of mixed hwy/city driving, daily commuting, one interstate trip

You can see my fuel stats here: http://thesource.homelinux.net:8080/acar-evo.html
Old May 29, 2012, 03:18 PM
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^Great breakdown!!! Thats my car to the T! Im exactly the same! Thats terrible!
Old May 29, 2012, 03:38 PM
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Per my Car Care app, my best tank was 19.3, worst was 17.6. I'm averaging 18.6. This is about 90% city miles.
Old May 29, 2012, 03:43 PM
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I get 26mpg on the freeway all the time
Old May 29, 2012, 03:45 PM
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best i ever showed was 28.1
Old May 29, 2012, 04:01 PM
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The best I ever got was around 26-27 on the highway. I usually get around 20 on average. Prolly 60/40 city driving.
Old May 29, 2012, 04:02 PM
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I get 20 +/- .5 with 70/30 City/Hwy split. I've seen as high as 28 on the Hwy with an avg speed of 70.

Mods will make a bit of difference also. I've been on Cobb Stage 1 OTS with the OEM wheels and tires. Reason I bring that up is because with my 06 WRX, I went from 22 mpg stock to 24 mpg when I went OTS Stage II, and when I went with wider wheels and sticky 245s, I lost 2, but they might be due to the increase in aggressive driving behavior, more than weight and rolling resistence.
Old May 29, 2012, 04:36 PM
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If you are really concerned about it you could be a bigger turbo.
Old May 29, 2012, 04:46 PM
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I've been getting between 23-25 driving mostly highway while driving very conservatively. Otherwise 20ish combined highway/city.
Old May 29, 2012, 04:50 PM
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a good tune should get more i was getting 270-280 per tank on race gas tune(c16) thats all i put in my car before my upgrade turbo (before map ef4) after ets 6266 bb
Old May 29, 2012, 05:04 PM
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Best I've ever gotten was 28 highway stock everything.
Old May 29, 2012, 06:10 PM
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Dude you only fill your car w/ C16?! Isn't that like $10/gallon? I'll settle for my average of 240 per tank...however on track day my buddy and I were getting something like 10 or 11mpg hahah!!


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