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She's Drinking Diesel

  • 15-05-2009 9:18am
    #1
    00lk
    Registered Users, Registered Users 2 Posts: 76 ✭✭


    I recently bought a 96 Opel Vectra (on the cheap). It’s 1.7 Diesel. Its only returning about 40mpg which surprised me as I thought it would be a lot better. Apart from its age, is there something I should be looking out for as regards why the MPG is performing so poorly? Or is this to be expected?

    Thanks


Comments

  • #2
    Dartz
    Registered Users, Registered Users 2 Posts: 4,405 ✭✭✭Dartz


    40Mpg is fine for a car of that age.

    If the manufacturer's estimate is higher... ignore it... these estimates have no bearing on real life whatsoever.


  • #3
    EPM
    Closed Accounts Posts: 13,822 ✭✭✭✭EPM


    Dartz wrote: »
    40Mpg is fine for a car of that age.

    If the manufacturer's estimate is higher... ignore it... these estimates have no bearing on real life whatsoever.

    +1

    It could be any number of reasons why it might not be getting higher though - where do you drive it, how much weight do you carry in it, has it been properly, driving style............


  • #4
    maidhc
    Registered Users, Registered Users 2 Posts: 7,722 ✭✭✭maidhc


    I have a mondeo TD of the same vintage. 40mpg is about right.


  • #5
    Sam Kade
    Registered Users, Registered Users 2 Posts: 12,313 ✭✭✭✭Sam Kade


    I got 47 mpg from an 89 mitsubushi galant 1.9td in 2001 when it was 12 years old.


  • #6
    MarkR
    Moderators, Regional Midwest Moderators Posts: 11,183 Mod ✭✭✭✭MarkR


    All of the above really. Has it been serviced recently?


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  • #7
    Blue850
    Registered Users, Registered Users 2 Posts: 2,568 ✭✭✭Blue850


    I'm averaging 48mpg and up to 54 mpg on a long run out of my 94 1.7 Izuzu TD engined Vectra with 262,000 miles, I keep any eye on the mileage cos the fuel guage is hugely optimistic. I don't do too much city driving though or hammer it over 65mph.


  • #8
    peasant
    Registered Users, Registered Users 2 Posts: 17,819 ✭✭✭✭peasant


    Have a look at the airfilter for starters. If that's old and durty, putting in a new one might improve things.


  • #9
    Eoin
    Registered Users, Registered Users 2 Posts: 21,263 ✭✭✭✭Eoin


    tags removed from original post to make it more readable :)


  • #10
    CyberDave
    Registered Users, Registered Users 2 Posts: 941 ✭✭✭CyberDave


    I once had a 1993 Ford Fiesta that was an absolute animal for petrol. I had the engine tuned (turned down) and it was amazing how much of a difference it made. Not sure of MPG though.


  • #11
    00lk
    Registered Users, Registered Users 2 Posts: 76 ✭✭00lk


    thanks for the replies

    Im driving from limerick to cork a lot and using the fermoy bypass (€1.90 a pop but hard to resist when caught for time). I suppose driving at 70/80mph is a killer on mpg. I'll check out the Air Filter thanks.


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  • #12
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,822 ✭✭✭✭galwaytt


    My 1.9 Tid Saab averages 38mpg, so I don't see what you're complaining about, tbh......

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



  • #13
    bushy...
    Closed Accounts Posts: 1,467 ✭✭✭bushy...


    00lk wrote: »
    I'll check out the Air Filter thanks.

    The odd time the filter may not "look" dirty ( say if the airfilter is white and the last owner of the car was driving daily past somewhere there was whitish dust ...roadworks or something)


  • #14
    DaMonk
    Closed Accounts Posts: 200 ✭✭DaMonk


    galwaytt wrote: »
    My 1.9 Tid Saab averages 38mpg, so I don't see what you're complaining about, tbh......
    if there's alot of motorway driving then there's something wrong. Drove Limerick to Galway once in a Bora 115hp and got an average of 61mpg for the trip. It was remapped to around 145hp but had the 6 speed gearbox.


  • #15
    Tigger
    Closed Accounts Posts: 16,705 ✭✭✭✭Tigger


    00lk wrote: »
    I recently bought a 96 Opel Vectra (on the cheap). It’s 1.7 Diesel. Its only returning about 40mpg which surprised me as I thought it would be a lot better. Apart from its age, is there something I should be looking out for as regards why the MPG is performing so poorly? Or is this to be expected?

    Thanks
    tell him to drive slower or inflate the tyers more

    my 1.7 veccy did 40 mpg but i like to progress


  • #16
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,822 ✭✭✭✭galwaytt


    DaMonk wrote: »
    if there's alot of motorway driving then there's something wrong. Drove Limerick to Galway once in a Bora 115hp and got an average of 61mpg for the trip. It was remapped to around 145hp but had the 6 speed gearbox.


    ...no, mostly commuting. I've had a 105bhp VAG, so i know how light they are, but you'll get nothing like that from a 150bhp diesel.

    btw....if anyone else is running a 150bhp Sport 9-3 Tid, I'd be interested to know what mpg ye're getting. I know someone with the 2.2 and that's low 30's.......

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



  • #17
    Tigger
    Closed Accounts Posts: 16,705 ✭✭✭✭Tigger


    i have a gm 2.2 dti and it does 39 hard and 45 long


  • #18
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,822 ✭✭✭✭galwaytt


    Tigger wrote: »
    i have a gm 2.2 dti and it does 39 hard and 45 long

    ..interesting, that.

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



  • #19
    Tigger
    Closed Accounts Posts: 16,705 ✭✭✭✭Tigger


    galwaytt wrote: »
    ..interesting, that.

    how so, i think its makes sense if in really try i can get 48 but no matter how hard i push on (private roads etc) never lower than 38 (on the 'puter )


  • #20
    DanGerMus
    Registered Users, Registered Users 2 Posts: 1,525 ✭✭✭DanGerMus


    op if you're doing 70-80mph regularly on your trip then 40 mpg seems ****ing brilliant to me. keep it under 60 for best economy.


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