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poor mpg, should I be worried?

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  • forgotmyname
    forgotmyname Posts: 32,915 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    edited 26 April 2015 at 3:01PM
    As mentioned. Filling in small amounts is not accurate. You need to keep a log of every fillup and mileage to get an accurate idea of the mpg.

    Are you using a US fuel calculator where a gallon is sub 4 litres?

    As above 39mpg is closer to your true MPG. So not that bad for that particular car.

    Are you sure those tyre pressures are correct? 41psi in a car that barely weighs 1 ton seems very high.

    8.61 miles per litre @ 4.54 litres = 39.08 mpg

    8.61 miles per litre @ US 3.8 litres per galon. 32.7mpg (they cannot spell gallon either)

    :)
    Censorship Reigns Supreme in Troll City...

  • AdrianC
    AdrianC Posts: 42,189 Forumite
    Eighth Anniversary 10,000 Posts Name Dropper
    forgotmyname wrote: »
    8.61 miles per litre @ US 3.8 litres per galon. 32.7mpg (they cannot spell gallon either)
    They can spell gallon OK, it's "liter" they have issues with.
  • tescofan
    tescofan Posts: 79 Forumite
    it'll be better if we could all change to metric!
  • SailorSam
    SailorSam Posts: 22,754 Forumite
    10,000 Posts Combo Breaker
    Check your air filter.
    Liverpool is one of the wonders of Britain,
    What it may grow to in time, I know not what.

    Daniel Defoe: 1725.
  • jimjames
    jimjames Posts: 18,636 Forumite
    Part of the Furniture 10,000 Posts Photogenic Name Dropper
    edited 26 April 2015 at 9:40PM
    arcon5 wrote: »
    I'd be interested in seeing emissions readings. MPG on a 4yr old 1.2L engine sounds awful. I get 44mpg from a 15 year old petrol focus with a 1.6L engine

    I get 38mpg from a 26 year old car with 1.8 fuel injection and 16v.

    Sounds appalling for a small engined car.

    I'd make sure the OP is measuring correctly. If the dash is saying 45mpg I wouldn't expect the actual to be so far out.

    EDIT - just seen reply above, good to know there was an answer. Still makes me feel better about the MPG I get though!
    Remember the saying: if it looks too good to be true it almost certainly is.
  • maxmycardagain
    maxmycardagain Posts: 5,842 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    use/check your model on fuelly or spirit monitor
    Now we all know how it felt to play in the band on the Titanic...
  • maxmycardagain
    maxmycardagain Posts: 5,842 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    jimjames wrote: »
    If the dash is saying 45mpg I wouldn't expect the actual to be so far out.

    dont bank on it
    Now we all know how it felt to play in the band on the Titanic...
  • DUTR
    DUTR Posts: 12,958 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    maxmycardagain wrote: »
    dont bank on it

    From a fill to fill, mine is under reading by about 1mpg, tbh I don't pay too much attention to the display and MFRS figures as long as they are close enough, currently low 30s around town and mid to high 40s on any run.
  • maxmycardagain
    maxmycardagain Posts: 5,842 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    DUTR wrote: »
    From a fill to fill, mine is under reading by about 1mpg.

    its not a Mondeo TDci or Skoda Superb then

    I get 64mpg on a run, 52mpg round town, Skoda Superb estate
    Now we all know how it felt to play in the band on the Titanic...
  • DUTR
    DUTR Posts: 12,958 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    maxmycardagain wrote: »
    its not a Mondeo TDci or Skoda Superb then

    I get 64mpg on a run, 52mpg round town, Skoda Superb estate

    Never a Mondeo or derv, I like to sprint to 60 or double the speed limit occasionally, so I'm happy with the compromise :o
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