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which is better- Petrol or Diesel??

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  • 28-08-2008 12:22pm
    #1
    collywolly123
    Closed Accounts Posts: 44 ✭


    which of the two has more € per litre, is more environmental friendly, runs smoother with a car and all that im clueless about diesel and petrol!

    what are the advantages and disadvantages of both? :)

    colly :cool:


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    #2
    Mr.David
    Registered Users Posts: 1,703 ✭✭✭Mr.David


    Diesel:

    More expensive to buy but results in higher mpg, and significantly cheaper to run (about 25%).

    Diesel cars tend to be more expensive than their petrol counterparts

    More torque

    Less refined than petrol engines

    Low revving



    Petrol:

    Smoother

    More expensive to run

    Considered sportier

    Higher revving

    Quieter

    Lower resale value

    Cheaper to buy a petrol car initially

    Which to choose depends on the car, and how many miles per annum you will do.....


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    #3
    collywolly123
    Closed Accounts Posts: 44 ✭collywolly123


    okay thanks!
    im looking to buy a peugeot 307 2003 year
    and ive seen quite a few diesel around wasnt sure whether to check them out or not,
    ill mostly be driving to and from college about 6 miles away every day and the same apx on weekends, not much driving really?


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    #4
    pyramuid man
    Registered Users Posts: 1,196 ✭✭✭pyramuid man


    I wouldn't of thought that they were that much cheaper to run.


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    #5
    -Chris-
    Closed Accounts Posts: 12,035 ✭✭✭✭-Chris-


    If you're college age, I'd think a good place to start would be by getting a quote for each from your insurance company. Diesels tend to be higher cc than the equivelant petrol so that may affect your premium and make your mind up for you...


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    #6
    -Chris-
    Closed Accounts Posts: 12,035 ✭✭✭✭-Chris-


    pyramuid man wrote: »
    I wouldn't of thought that they were that much cheaper to run.

    They are - if you get 600km out of a tank of petrol, you'll get 1,000km out of a tank of diesel. That makes a big difference to running costs.


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    #7
    collywolly123
    Closed Accounts Posts: 44 ✭collywolly123


    ahh the insurance and all that dosnt matter its getting taken care of, but ill be paying for my own petrol so whichever is cheaper to run really,
    is a diesel or a petrol engine more relilable?


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    #8
    Mr.David
    Registered Users Posts: 1,703 ✭✭✭Mr.David


    Will you be paying for the car yourself? If so, the fact that you are doing such low miles may well mean a petrol is the cheaper option. Regarding reliability, I suppose diesels tend to go on for longer as they rev so much lower but there is also the turbo, an added component that can cause trouble. You buying new or used?


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    #9
    BoardsRanger
    Registered Users Posts: 706 ✭✭✭BoardsRanger


    it all depends on what petrol/ diesel car your talking about. i had a 1L ibiza and would generally get 390miles per 40L tank. now have a passat TDI, and get 650miles per 60L tank. now taking into account the price difference between petrol v diesel, the passat is only slightly ahead in terms of being cheaper.
    another thing to note, diesels need servicing more frequently.
    however, it might be a different story if your talking about a 1.6L petrol v. 1.9tdi. in that case, id say the petrol would be alot more expensive to run.


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    #10
    VH
    Closed Accounts Posts: 690 ✭✭✭VH


    AudiChris wrote: »
    They are - if you get 600km out of a tank of petrol, you'll get 1,000km out of a tank of diesel.
    the difference isnt that big:

    A4 2.0tdi does 5.5l/100km combined
    A4 1.8tfsi does 7.1l/100km combined

    55 litres of diesel will do 1,000km in the diesel and 55 litres of unleaded will get the petrol 775km.


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    #11
    collywolly123
    Closed Accounts Posts: 44 ✭collywolly123


    Mr.David wrote: »
    Will you be paying for the car yourself? If so, the fact that you are doing such low miles may well mean a petrol is the cheaper option. Regarding reliability, I suppose diesels tend to go on for longer as they rev so much lower but there is also the turbo, an added component that can cause trouble. You buying new or used?


    yeah getting the car myself but tax and insurance and everything else will be paid for by my da,
    so if i was to do as i do now, fill up the tank every week ultimately it will cost less with the diesel? i would get more kph per litre?


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    #12
    Mr.David
    Registered Users Posts: 1,703 ✭✭✭Mr.David


    collywolly123 wrote: »
    yeah getting the car myself but tax and insurance and everything else will be paid for by my da,
    so if i was to do as i do now, fill up the tank every week ultimately it will cost less with the diesel? i would get more kph per litre?


    Yes your fuel costs will be less definitely. But the car will cost more than the petrol version. Overall though, for a 307 anyway I think the diesel is a better choice, and although more expensive to buy it will also hold its value better.


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    #13
    collywolly123
    Closed Accounts Posts: 44 ✭collywolly123


    k cool thanks !:cool:


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    #14
    Heroditas
    Registered Users Posts: 9,503 ✭✭✭Heroditas


    VH wrote: »
    the difference isnt that big:

    A4 2.0tdi does 5.5l/100km combined
    A4 1.8tfsi does 7.1l/100km combined

    55 litres of diesel will do 1,000km in the diesel and 55 litres of unleaded will get the petrol 775km.

    Quick bit of maths off those figures gives a cost/km of:

    €0.0715 per km for the 2.0 TDI
    €0.088 per km for the 1.8 TFSI

    *taking into account petrol/diesel prices at the local filling station*


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    #15
    -Chris-
    Closed Accounts Posts: 12,035 ✭✭✭✭-Chris-


    VH wrote: »
    the difference isnt that big:

    A4 2.0tdi does 5.5l/100km combined
    A4 1.8tfsi does 7.1l/100km combined

    55 litres of diesel will do 1,000km in the diesel and 55 litres of unleaded will get the petrol 775km.

    Thanks VH. I may experience a larger difference because I drive a petrol differently than a diesel, I enjoy letting the engine get up the rev range to where it's making nice noises.

    The figures don't lie though. If we could get the equivalent figures for the OP's two cars, then we'd really be smokin'.


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    #16
    Dave147
    Registered Users Posts: 3,235 ✭✭✭Dave147


    VH wrote: »
    the difference isnt that big:

    A4 2.0tdi does 5.5l/100km combined
    A4 1.8tfsi does 7.1l/100km combined

    55 litres of diesel will do 1,000km in the diesel and 55 litres of unleaded will get the petrol 775km.

    There is no 1.8TFSI (well there is, but it's not available yet so lets not compare it), only 2.0TFSI and 3.2FSI, because the 2l alone is 197-216bhp, the 1.8 however is 160bhp.. then you have the 2.0TDI which is 167bhp and a crazy torque figure which I can't remember off hand. So you're getting a diesel car which is just as quick and has better fuel economy. I know which one I'd be buying..... A bloody RS4*!! :P



    *I will have one someday!


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    #17
    -Chris-
    Closed Accounts Posts: 12,035 ✭✭✭✭-Chris-


    What car are you talking about Dave147? I'm confused.

    OP, what cars are you looking at? We'll go around in circles without more info.


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    #18
    Dave147
    Registered Users Posts: 3,235 ✭✭✭Dave147


    AudiChris wrote: »
    What car are you talking about Dave147? I'm confused.

    OP, what cars are you looking at? We'll go around in circles without more info.

    The B7 A4's, the fact that the 1.8T and the 2.0TDI are almost identical in performance but the diesel would have far better economy.. I think I went off rambling about something stupid aswell lol :P


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    #19
    -Chris-
    Closed Accounts Posts: 12,035 ✭✭✭✭-Chris-


    Dave147 wrote: »
    The B7 A4's, the fact that the 1.8T and the 2.0TDI are almost identical in performance but the diesel would have far better economy.. I think I went off rambling about something stupid aswell lol :P

    Cool :D


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    #20
    x in the city
    Closed Accounts Posts: 7,134 ✭✭✭x in the city


    I get around 420/430 miles from a full tank with my 1.8 mondeo zetec.

    costs around 55/60 to fill her up.


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    #21
    Mr.David
    Registered Users Posts: 1,703 ✭✭✭Mr.David


    x in the city wrote: »
    I get around 420/430 miles from a full tank with my 1.8 mondeo zetec.

    costs around 55/60 to fill her up.


    Petrol I presume? That sounds really good. What size is the tank? And is that from brim to running on fumes or until the fuel light comes on?


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    #22
    Dave147
    Registered Users Posts: 3,235 ✭✭✭Dave147


    What are you driving AudiChris? Do you work with Audi or just a general enthusiast? I'll be looking for a 00 B5 1.8TQS sometime in the next 6 months, can hardly wait!


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    #23
    VH
    Closed Accounts Posts: 690 ✭✭✭VH


    Dave147 wrote: »
    There is no 1.8TFSI (well there is, but it's not available yet so lets not compare it),
    I took the base model petrol and base model diesel from audi.ie, that's all


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    #24
    Dave147
    Registered Users Posts: 3,235 ✭✭✭Dave147


    VH wrote: »
    I took the base model petrol and base model diesel from audi.ie, that's all

    Lol, take no notice of me :)


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    #25
    -Chris-
    Closed Accounts Posts: 12,035 ✭✭✭✭-Chris-


    Dave147 wrote: »
    What are you driving AudiChris? Do you work with Audi or just a general enthusiast? I'll be looking for a 00 B5 1.8TQS sometime in the next 6 months, can hardly wait!

    I work in an Audi garage, so I drive different stuff. I'm a kind of an enthusiast too, but not an anorak :p.

    1.8T quattro - nice! First step on the rung to RS :cool:.


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    #26
    Dave147
    Registered Users Posts: 3,235 ✭✭✭Dave147


    AudiChris wrote: »
    I work in an Audi garage, so I drive different stuff. I'm a kind of an enthusiast too, but not an anorak :p.

    1.8T quattro - nice! First step on the rung to RS :cool:.

    Exactly, well I'd be an enthusiast but definitely want to work in them sooner or later.. Tied up with working for my dad at the moment but I'll just keep gaining more and more knowledge :) Yeah I took the first step to the RS 3 years ago when I got my first one, hooked now and hopefully before I'm 25 I'll at least have the S4.


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