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Here we publish a range of questions emailed to us in the past where the answer may be relevant to others. Don't hesitate to ask us about anything related to the site that you don't understand. Of course we will keep all personal details confidential

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I used your calculator to work out how much tax I would pay on an Audi a3 2.0l diesel,co2 emission 115. I inputed my annual salary of £36,000 and the calculator said i would pay 20% tax on it,but when I have been paid it says i am paying 40% tax on it.Is this right?
Created: 22 Jun 2011

Hi Andrew, That does not sound right unless there are other factors such as a bonus payment, or perhaps your taxcode is based on a different car in which case you need to inform the taxman. If you send me a copy of your payslip, or let me know the key figures such as taxcode, gross pay and tax to date, then I will tell you what is happening.
Sorry for my late reply, but i have found out from the tax office that you were in fact correct. My companies payroll dept had made an error !!!. My company told the tax office the wrong details. I have always found your site very helpful and I appreciate your reply.
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I cannot find the car details that are needed to fill in a P46. It was first registered a few months/years ago.Where can I find the information?
Created: 16 Nov 2009

Go to the Sitemap, and look for the module entitled Tax calculations on older cars. This will help, but you will still need to know the full details of the car and date of registration. The original invoice and V5 will help you track it down, and guide you towards the original list price, cost of options and CO2 percentage.
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Do I have to pay company car tax on a van with 3 or more company logos on it?
Created: 03 Aug 2007

Yes, van tax must be paid if there is more than occasional private use
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Does the tax on the BMW 1 Series 5dr 118d M Sport really fall from 18% to 13% from 07/08 to 08/09? If so, why?
Created: 31 Jul 2007

The government introduced a special low tax banding for cars emitting up to 120g CO2/km to encourage their take up. Petrol cars also fall to 10%
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On your tax calculator for hybrid petrol/electric cars (e.g. Toyota Prius, Honda Civic IMA) are you sure you've got BIK % multiplier correct for 2008/9 & beyond? From 08/09, 120 g/km of CO2 will equate to a 10% BIK & so the 3% discount for these hybrids will make for a 7% BIK, not the 10% on your calculator?
Created: 13 Jul 2007

Our calculations are correct. The new 10% banding (and 13% for diesels) is a special case and does not follow the previous rules. For instance cars on 122gCO2 do not get rounded down to be included. There is no additional discount for hybrids, since this is a technology neutral measure to encourage the take up of low emission cars.
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The Alpina D3 Touring has a CO2 emissions figure of 160 in the manufacturers brochure therefore tax rate for 2007-8 is 22% not 28% as shown on your website
Created: 27 Jun 2007

Alpina have not officially tested any vehicles in the UK, and you won't find them on the VCA website. Therefore we have used the rates based on the engine size. We have informed the VCA and Alpina of this problem, but I suspect the Alpina marketing dept has got carried away with some German derived figures. Let us know if anyone manages to get the German figures printed on a V5. In the meantime we will follow the official rules and show the safest figures.
Thankyou for your quick and informative reply. I have bought one on the basis that it was relatively cheap on the Company car tax (and fun to drive) so will be extremely disappointed if what the dealer told me (160gms) is not correct - I would have got the 330d Touring on this basis. Your email has been forwarded to the Alpina UK head office and I am awaiting an answer. I have looked at the V5 and there are no details recorded for CO2 emissions
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Am I right in gleaning that: If a car costs £90,000 or £260,000 and regardless of engine cc or CO2 gpkm emmission levels it makes no difference to the tax a driver will pay. The 40% value peaks out at £11,200 even in 2008/9. Is this so?
Created: 20 Mar 2007

You are correct up until April 2011. See the Tax Efficient Cars page to see how tax efficient expensive vehicles can be. It is the same for all cars costing £80k plus, since they are all in the 35% CO2 bracket. Only after April 2011 will the cap be removed, and cars will then be taxed on the full list price (less VED and First Registration fee).
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