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How do you work out company car tax?

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How do I work out my company car tax?

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1 September 2010

Benefit-in-kind payments on company cars

Company employee wants to know how to work out company car tax
How do I work out my company car tax?

I’VE been given a company car for the first time – a BMW 320d EfficientDynamics. I’m excited about getting the car, but I don’t fully understand company car tax. Could you explain, please?

Mike Lloyd, managing director of Central Contracts, explains how to work out company car tax.

ANY company car attracts a benefit-in-kind (BIK) tax. The amount you pay is determined by two factors: the cost of the car (its P11d value) and the amount of the car’s CO2 emissions (expressed as g/km) based on a percentage scale.

The lower the car’s price and emissions, the less company car tax – or BIK – will be paid by you. Diesel cars are subject to a 3% surcharge on this percentage scale.

The next step is to establish the car’s CO2 emissions. In the case of the BMW 320d EfficientDynamics, this is 109g/km. On the company car tax band scale this attracts a 13% BIK charge – see our Company car taxation table.

You then multiply the car’s P11d price – the cost of the car for taxation purposes, excluding delivery charges – by the company car tax band charge.

In this case it is £27,245 x 13% = £1353.

To arrive at the company car tax rate payable by you, take the above figure and then multiply it by your nominal rate of tax – either 20% (£707 a year) or 40% (£1414).

The more options you add to the car, by the way, the more the company car tax will increase.

Editor’s note. You can read a road test of the BMW 320d EfficientDynamics, by clicking on the following link: BMW 320d EfficientDynamics – the BMW that redefines the company car.

In the specification panel of the road test you will find a link to our Company Car Tax Calculator. Click on this link, select BMW 320d EfficientDynamics from the list of cars, and your BIK on the car will be displayed.

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Ralph Morton

Ralph Morton

Ralph Morton is an award-winning journalist and the founder of Business Car Manager (now renamed Business Motoring). Ralph writes extensively about the car and van leasing industry as well as wider fleet and company car issues. A former editor of What Car?, Ralph is a vastly experienced writer and editor and has been writing about the automotive sector for over 35 years.

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