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Evo X General General discussion on the 2008+ Mitsubishi Lancer Evolution X

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Old 08-14-2008, 02:24 AM   #1
BluEvo210
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Evo X gas mileage?

I know we don't buy our Evos for gas mileage, but I was curious what everyone is getting. I'm also curious about the gains you get with different mods. Free flowing exhaust, intake, chip, or whatever else seems to help. And, if anyone knows what speed gets them the best fuel economy, I'm interested to know that, too.

I've calculated my gas mileage a few times (dividing the miles by the gallons to refill it), and I've come up with about 23.2miles/gallon for my 5-speed GSR. Better than the EPA rating, but not by much.

I know the owners manual says to go 50mph whenever possible, but if the indicator on the dashboard screen can be believed, my gas mileage STINKS from 50 to 55. There are a few sweet spots in the speed range...one at about 64mph, one a little below 70mph...the best seems to be 44mph. Just like my Nissans, it's the most efficient going as slow as it can in the highest gear. Some of the back roads of FL let me drive that speed when I feel like stopping to "smell the roses."

I've also input my miles and gallons on www.gasaroo.com, and got the same mpg result.

If a $600 computer were to give me an extra 2mpg, a little math tells me it would pay for itself in about 1200 miles.
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Old 08-14-2008, 03:06 AM   #2
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i get about 24
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Old 08-14-2008, 03:37 AM   #3
rikieru
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Im curious myself what improvement the AMS/Buschur flash when you're taking it easy. Currently I'm getting 24.5 average and the best I've ever gotten was 27.9 with a simple cone filter.
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Old 08-14-2008, 04:40 AM   #4
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My lead foot leaves me hanging aroudn 20 most of the time >.<
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Old 08-14-2008, 05:05 AM   #5
1GGEvo
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stock i struggled to get 21.5 mpg area....with AP Intake and test pipe back exhaust i get just under 24mpg

-Chris
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Old 08-14-2008, 08:14 AM   #6
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Quote:
Originally Posted by BluEvo210 View Post
If a $600 computer were to give me an extra 2mpg, a little math tells me it would pay for itself in about 1200 miles.
1200 miles @ 23mpg -> 52 gallons
1200 miles @ 25mpg -> 48 gallons
Therefore you're paying $150/gallon. What octane are you putting in that thing!?!

(I get around 23mpg.)
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Old 08-14-2008, 03:27 PM   #7
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My car sees 95% city streets and 5% highway. I average around 14 MPG....
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Old 08-14-2008, 04:23 PM   #8
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Quote:
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My car sees 95% city streets and 5% highway. I average around 14 MPG....

UFO I am with you averaging about 17...all city
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Old 08-14-2008, 04:27 PM   #9
EVOXCO
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Dang there must be something wrong with mine I get like 16 mpgs if i am realy nice to in LOL.I better get that checked out.
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Old 08-14-2008, 04:31 PM   #10
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I am mostly highway, average from 25.5-28 mpg depending on what speed I am carrying. 60-65mph seems to be my most efficient cruising speed. I always catch a section of traffic on my commute which usually brings down my average, but if I get a clean run I am touching the 28 mpg figure. My car is stock with the lastest reflash and a HKS filter.
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