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Thread: MPG for 1.8vvti SRI

  1. #1
    Regular Member Ali's Avatar
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    Default MPG for 1.8vvti SRI

    Can anyone give me an average mpg for this engine?

  2. #2
    Regular Member Caterman's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 3.2 V6

    Year : 05

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    Well the official figures are:
    Urban 28.0
    Extra Urban 51.4
    Combined 39.2

    Real world will be nearer to 30 mpg average so i believe

  3. #3
    Regular Member Karl's Avatar
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    I got between 260 and 310 out of my Astra 1.8vvti, the 260 was punishing it VERY hard one day back from London to Newcaslte

    The 1.8 doesn't like hauling the Vectra weight around.

  4. #4
    Regular Member VectraV6CDTi's Avatar
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    From what people have said, its no better than a 2.2 Direct. And a lot slower.......
    If you havent bought one yet, I'd say get a 2.2 or 2.2 Direct (in a nutshell the Direct is quicker and more economical)

  5. #5
    Regular Member m8internet's Avatar
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    Quote Originally Posted by Ali View Post
    Can anyone give me an average mpg for this engine?
    I had one on hire for a week and the minimum was about 40mpg
    A mix of rural and motorway driving

    The engine felt gutless and made the car feel heavy
    However, with high revs the performance was acceptable

    Visit a dealership and get them to arrange all four engine types of the same model, that's what I did...
    They arranged for me to test drive the 2.2, 1.9 CDTI and 3.0 V6 CDTI

  6. #6
    Regular Member Hideous's Avatar
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    Too small to be efficient in the big lump of a vectra, by most accounts on here.... haven't tried it personally. I've also seen 1.8 drivers state that they can't get near that official Vx combined figure of 39mpg. Anyone ?
    Obviously not the preferred choice of many people on this forum, but remember some people need to have the smaller engines for insurance reasons.

  7. #7
    Regular Member dazza1964's Avatar
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    If I drive very steady I can get appx 30mpg, normal driving returns appx 26mpg, Hard driving 23! Had a trip down the motorway and it gave 41mpg!

  8. #8
    Regular Member Gsi3.2's Avatar
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    I had one as a loancar from VX..then 6 months later, so did mrs GSi..

    the first one was terrible..needed revving hard to get anywhere at all and consequently gave around 25ish mpg ( same as my 3.2!!!)..

    the one Mrs GSi had while her signum was in was a peach..lot more 'willing' and smoother..gave her around 28ish to the gallon...

  9. #9
    Regular Member shan's Avatar
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    I wonder how bad it perform's in the signum with even more weight to car around ?

  10. #10
    Regular Member dazza1964's Avatar
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    i've got the the signum

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