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Emissions calculation for car tax

  • 05-02-2017 06:01AM
    #1
    Registered Users, Registered Users 2 Posts: 334 ✭✭


    I am aware that there are two seperate rules in taxing cars. From July onwards 2008 is by admission and before that it's on CC of vehicle. I know there is some other rule for the start to mid 2008 but I can't remember what it is and it's not relevant to me.

    What I would like to know is where do they get the emissions information from for your particular type of car to decide how much you will be charged. Is it while the NCT is being carried out, the emissions here will
    Be the determining factor until the next NCT?

    Or is it based on manufacturers guidelines or something similar?

    Thanks.


Comments

  • Registered Users, Registered Users 2 Posts: 14,506 ✭✭✭✭joujoujou
    Unregistered Users


    It's based on manufacturer's specifications.


  • Registered Users, Registered Users 2 Posts: 971 ✭✭✭cros13


    Yup, whatever the manufacturer reported. Based on NEDC driving cycle (which is performed in a lab and not intended to resemble real world driving) usually with any advantage the manufacturer can push into the testing environment.
    The lab is supposed to be "independent" but they're paid by the carmaker and retesting can be performed as many times as necessary to achieve the desired result. The final figure is reported with application for type approval.
    Irish law takes this number as is. If for example you buy a 2009 BMW 335i that you then convert to electric you will still have to pay the road tax for its originally reported 218g/km co2.


  • Registered Users, Registered Users 2 Posts: 334 ✭✭b4bmm


    That's good to know. So in the case of a modified car that won't come into the equation regarding emissions?


    Is there a particular website that details all model cars that is accurate that you know of?


  • Registered Users, Registered Users 2 Posts: 971 ✭✭✭cros13


    I tend to use the Revenue VRT calculator as the first port of call:
    http://www.revenue.ie/en/online/vrt-calculator.html

    After that... the manufacturer site or if it's an older car hit into old reviews.


  • Registered Users, Registered Users 2 Posts: 78,772 ✭✭✭✭Victor


    cros13 wrote: »
    Irish law takes this number as is. If for example you buy a 2009 BMW 335i that you then convert to electric you will still have to pay the road tax for its originally reported 218g/km co2.
    I understand that if you do something as radical as re-engining, that things change.


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  • Registered Users, Registered Users 2 Posts: 334 ✭✭b4bmm


    Naturally the car I'm looking for isn't on the VRT register. Is it simply a case of getting in contact with some department to get a definitive answer?

    I have seen varying figures on websites.


  • Registered Users, Registered Users 2 Posts: 12,728 ✭✭✭✭R.O.R


    b4bmm wrote: »
    Naturally the car I'm looking for isn't on the VRT register. Is it simply a case of getting in contact with some department to get a definitive answer?

    I have seen varying figures on websites.

    It's the co2 figure on the log book. If you have the registration number some of the free history checks will give the co2 related to the registration number.


  • Registered Users, Registered Users 2 Posts: 334 ✭✭b4bmm


    The car is not an Irish car.
    Thats why I'm trying to find out how much it would be for tax before I think about importing it to Ireland. Its either in the top range of CO2 or the one below. Thats an E800 difference approx which is not to be sneezed at. Its right on the threshold with some reports, anywhere from ~200 to 230 emission figures. BMW 135i. Depending on the year of the car will probably change the emission because there were two different engines 2008-2010/11 and 2011 on are possibly different emission figures.


  • Registered Users, Registered Users 2 Posts: 51,642 ✭✭✭✭bazz26


    Can you not just ask the seller for the co2 figure that is listed on the car's V5 registration document? That is what the VRT people will go off.


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