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Thread: vectra cdti 120ps 8v fuel consumption :-(

  1. #1
    Regular Member big rich's Avatar
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    Vehicle : Vectra gsi

    Trim : Full heated leather

    Engine : 3200

    Year : 2004

    Default vectra cdti 120ps 8v fuel consumption :-(

    i filled the tank up to the brim and done 60miles on motorways and the rest low speed round town....all in all i got 420miles to the full tank....is this normal???

    i think i sould get a few more miles than that

    what do you guys get out of your 120ps engine?

    cheers guys

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    I get more than that out of my 1.8. No less than 460 miles. There's something not right with yours.

  3. #3
    Regular Member big rich's Avatar
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    Vehicle : Vectra gsi

    Trim : Full heated leather

    Engine : 3200

    Year : 2004

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    mods done are ....

    tuning box
    de-cat
    vxr rear boxes
    k&n panel filter
    air box mod.

  4. #4
    Regular Member big rich's Avatar
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    Vehicle : Vectra gsi

    Trim : Full heated leather

    Engine : 3200

    Year : 2004

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    Quote Originally Posted by _ZS_ View Post
    I get more than that out of my 1.8. No less than 460 miles. There's something not right with yours.
    i think so m8 as my old astra 2.0 petrol seems better at the mo

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    Think somethings wrong there mate as i get 550ish miles to a tank not exactly steadily either although before i changed my oil it was around 500 miles to a tank.

  6. #6
    Full Member Big Sig's Avatar
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    Could be your driving style?
    Now I need a turbo to keep up!

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    I'd say that was about right, low speeds around town hammers economy, my 120 ps is very similar, stop start driving does not equate to high efficiency and I seriously question a 1.8 could achieve more doing the same kind of driving as petrols are inherently more thirsty than diesels particularly in a car weighing 1 1/2 tonnes,as the engine would be having to work much harder than a diesel to achieve the same performance.

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    Regular Member bobby-tupper's Avatar
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    rich have you ever thought of stripping your motor of all the mods you have done(back to standard) and i bet you will then get more miles from a full tank

  9. #9
    Regular Member kenp's Avatar
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    Vehicle : Vectra C


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    400 miles is normal for me.. for about 55 litre of petrol... (and then im happy) but slow moving traffic is killing for any good MPG

  10. #10
    Regular Member John C S's Avatar
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    Quote Originally Posted by _ZS_ View Post
    I get more than that out of my 1.8. No less than 460 miles. There's something not right with yours.


    My 1.8 Non VVT can easily do 420 on a tank on a regular basis!

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