Fuel Economy - 2010 WRX
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This is a discussion on Fuel Economy - 2010 WRX within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; When I purchased my 2010 WRX it had an estimated 25 MPG highway/18 MPG city. I haven't really paid much ...

  1. #1
    Registered User jlinnell98's Avatar
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    Fuel Economy - 2010 WRX

    When I purchased my 2010 WRX it had an estimated 25 MPG highway/18 MPG city. I haven't really paid much attention to mileage (since I drive the car somewhat agressively about half the time), but with gas prices on the rise I made a committment to try being a little easier on the car. I took a trip with my son (mostly highway driving) and averaged just over 30 MPG. For a while on the highway I was getting 33, after a few stops & a small amount of city driving it averaged just over 30. I live in Iowa so it's not like I was driving through mountains and when I say City, it's more like 'town' with very light traffic. Over the life of the car (10,000 miles total) I've averaged about 22.5 MPG, before winter it was more like 23.5 but starting the car up & plowing through some snow drifts brought down the average.

    I was wondering if anyone had a similar experience, did they just low ball the mileage? The only upgrade I have is an SPT CBE which shouldn't make much of a difference.

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    My avg right now is 23.x at 700 miles on the ODO. I'm in the break-in period and haven't gone beyond 4k RPM yet either. I don't think it will improve much especially after I hit 1k miles. I'd say I'm about 70/30 HWY/CITY. 100 mile round trip commute daily. The 30+ MPG you're getting is quite amazing.

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    Registered User SamXp's Avatar
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    I must have a heavy foot because I can't seem to average much more than 22mpg!

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    Registered User 2002_wagon's Avatar
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    i get around 15mpg city if im lucky lol. just be glad your not hurting as bad as i am on gas. i have a 45 min drive to work everyday and its through the city no highway .
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    Registered User jlinnell98's Avatar
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    Yeah, keep in mind I'm talking highway & not interstate. I usually hit the cruise @ 58-60 on the highway & that's when I've been getting anywhere from 28-30+. On the interstate it's been pretty much 25 MPG going around 75-80. I think that may be the difference, 55 MPH speed limit probably helps a lot (and those new speed cameras they installed close to downtown). I've driven in many larger cities and I know that "City" mileage is pretty meaningless when the car isn't moving more than a few feet per minute. I'm lucky that city driving for me means a few stop lights here & there and no serious bumper to bumper traffic.

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    Registered User AJ's STi's Avatar
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    When I purchased my car the estimated fuel economy on the dash was at 13.4 mpg. Something tells me that the dealership was having fun with the car prior to me taking possession of it. I've since been able to get the estimated mpg up to 18 mpg with mixed highway and city driving. Mind you it's starting to get warm here in Phoenix and I'm thinking that the heat plus turbo may effect my mileage as well. I'm hoping to carry out a few modifications to help improve my mileage and before anyone jumps my case for using the dash readout I haven't had a full tank of gas through this car yet so I can't give you an honest mpg. I'll post an update once I have more data for you.
    Adam [AJ's STi]
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    Registered User crane721's Avatar
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    I drove my 2010 wrx on a Florida coast highway (55 and under)and got 29.7mpg,the trip down there from NY I avg.25.4@80 to 85mph. I avg about 20-21 around town.

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    Registered User AJ's STi's Avatar
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    I'm hoping that my mileage goes up here. I'm currently driving the car in "Intelligent" mode almost all the time and I really would rather be keeping it in "Sport" mode. I really miss the back pressed against the seat feeling when you engage said lead right foot.
    Adam [AJ's STi]
    2008 Subaru WRX STi Shameless Phoenix Plug Here...
    More details to come...
    Magnaflow Exhaust, Kenwood DNX5120 Audio.
    Want to add: Perrin Front Strut Brace, Perrin Front Adjustable 22mm/25mm Sway Bars, Perrin Sway Bar Kits w/ Endlinks (Soft Kit?), K&N Typhoon Cold Air Intake, and Perrin Crank Pulley.

  10. #9
    Cheeky Bastage! spirited09wrx's Avatar
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    Quote Originally Posted by AJ's STi View Post
    When I purchased my car the estimated fuel economy on the dash was at 13.4 mpg. Something tells me that the dealership was having fun with the car prior to me taking possession of it.
    When you just fill up the gastank and reset the trip ODO, you can get REALLY low numbers. Ive filled up, reset, and then pushed it hard, just for a laugh, and Ive seen as low as 11mpg for the first mile or so, but it changes quickly. I average about 19mpg (lets say 60/40 city/hwy) and I drive aggressively. But even averaging 80-90 on the hwy, for any sort of long time, ive noticed my mileage go up to like 22, but then Im back to my normal commute and it goes back down. Im hoping to take a trip down to NC from PA at the end of the summer, curious to see what my mpg gets to...
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  11. #10
    Registered User ElVerde's Avatar
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    I average about 24 and my commute is along PCH (stop n go...sometimes)...not too bad considering I let her rip every now and then.
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  12. #11
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    where you live in Iowa? I'm in Iowa City

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    Registered User jlinnell98's Avatar
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    Quote Originally Posted by Acer Ginnala View Post
    where you live in Iowa? I'm in Iowa City
    Cedar rapids, small world

  14. #13
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    Quote Originally Posted by jlinnell98 View Post
    Cedar rapids, small world
    Nice! Maybe I'll see you around sometime.

  15. #14
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    I'm in Lincoln, Nebraska, so the roads are pretty similar to you Iowa boys. I'm averaging 21 in town, 32 on the highway (at 65 mph) but only like 21 when on the interstate doing 80.

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