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2009 Subaru Forester mileage reports

arnabcarnabc Posts: 27
seems like it would be a good idea to have a separate thread to track everyone's mileage records. the big 2009 forester thread is too large to keep track of.

anyway: after some initial high readings with a lot of highway driving--a series of 80-100 mile drives averaging 27-29 mpg--i've been getting more sobering results of late: more in the 24-26 mpg range for pretty much the same drives. not sure why--i'm not driving any different that i can see. some of the high drives were with 4 people in the car and ac on for part of the journey, so are some of the low drives. i can't really explain it; perhaps wind is a factor.

are other people seeing readings all over the map? i'm not yet at 1000 miles since purchase. currently at about 760.


  • albe1albe1 Posts: 1
    Have a XT with 500 miles on it, on a 400 mile trip avg 25.7 MPG.
  • arnabcarnabc Posts: 27
    i should have added: i have the 2.5x premium
  • ateixeiraateixeira Posts: 72,587
    We have not taken in out on a long highway trip yet, but so far this first tank is yielding 24.0 mpg around town.
  • kurtamaxxxguykurtamaxxxguy Posts: 1,714
    Doing 18 to 20 mpg around town, with relatively light foot. Includes cold start-ups.

    Best mpg to date was 26, going south from Portland to Medford on I-5. Trip back was only 23 mpg (headwind?).

    XT has roughly 2700 miles on it. No synthetics planned until after 2nd oil change (per dealer recomendation).
  • Currently getting ~24.3 to 24.6 MPG in the middle of my second tank. Mostly suburban driving. Going on the Highway briefly yesterday around 65mph didn't seem to improve mileage considerably.

    Does anyone know: Would the aero crossbars make much difference in MPG on the Highway? Can they easily be removed?


    PS I'm pretty happy with the MPG right now, definitely not complaining.
  • kurtamaxxxguykurtamaxxxguy Posts: 1,714
    aero crossbars are easilly removeable.
    I think you need an allen wrench which Subaru supplies.
    My XT is not wearing them as they will add wind noise.
  • firstsubfirstsub Posts: 11
    early milage 23-24average 29-30 highway. now at 3300 miles.. 23.5-24MPG average with 26-27 highway
  • deerlake7deerlake7 Posts: 162
    Through 1900 miles we've averaged 24.3 mpg on ours.
  • ateixeiraateixeira Posts: 72,587
    I only wish the cross bars on my Sienna were as easy to remove. I'll have to find instructions on-line for that.
  • rshollandrsholland Posts: 19,661
    Not only remove—but access as well. Trying to load or unload anything from the roof rack of a minivan or SUV is a real pain in the butt.

  • ateixeiraateixeira Posts: 72,587
    I open the sliding doors and have a platform to stand on, so it's not that bad, really.

    I can also stand on the rear bumper.

    Still, MUCH easier on the Forester, without a doubt.
  • arnabcarnabc Posts: 27
    110 mile round trip today.

    the first 40 miles were a combination of county roads (speed limit 55) with a stretch of lights at one point, and freeway (speed limit 75-55). on this leg, with no a/c and 4 people in the car, we averaged 31.8!

    after that we had the a/c on for about 20 miles of city driving, and then 50 miles back home on the freeway with rush hour traffic for small stretches (this is minnesota, so it's not like l.a friday evening gridlock). a/c on the whole way back. didn't measure this part separately but the total trip was at 26 mpg. almost no wind out today.
  • nhdonnynhdonny Posts: 1
    2.5 X Premium has 380 miles and the average is up to 21. I reset it before my first fill up because the day I got it with 18 miles it showed an average of 12.5.

    I'm assuming and hoping that some break in is required. I drive 15 highway miles to work and diddle around town. Lead foot to keep up with commuter traffic.

    I love the vehicle.

  • ateixeiraateixeira Posts: 72,587
    31.8mpg? Sweet!

    Is that a record? Anyone beat that?

    We're only on our 2nd fuel tank so we can't match that.
  • paisanpaisan Posts: 21,181
    350 miles is very green. Subies break in after 8,000 miles.

  • arnabcarnabc Posts: 27
    and it was for a 40 mile stretch. the last 100 mile roundtrip (on sunday) was lower--26.7 mpg. at higher speeds on the freeway, with significant wind on the way out, and a/c on on the way back.

    my wife is already sick of my obsession with the mpg readout.
  • ateixeiraateixeira Posts: 72,587
    my wife is already sick of my obsession with the mpg readout

    LOL! :D

    Mine, too. You have to casually observe it, and don't dare tell her to slow down to improve the average! ;)
  • arnabcarnabc Posts: 27
    and the most recent 100 mile trip was lower still: about 25mpg. almost all on the freeway between 65-80 mph, with 4 people and the ac on low all the way. a decent amount of wind.

    my sense is that the best mileage performance is when i don't go much above 60. 50-60 mph for extended drives seems to be optimal. probably not news for anyone.
  • ateixeiraateixeira Posts: 72,587
    Worst tank so far was 21 mpg, all around town.

    I got it out on the highway and measured an all-highway trip, though, and got 34.5 mpg, even with 4 people in the car and the A/C on.

    So there's my range. We mostly drive it around town so it's averaging about 24mpg overall.
  • rshollandrsholland Posts: 19,661
    So far I've never gotten under 21 mpg in the WRX. I'm usually in the 23-24 range.

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