How much to fuel my BMW 320d for a week?

Is there a site where I can accurately forecast my projected fuel costs? I will be driving roughly 80km per day in a 2006 BMW 320d and would like to know my weekly costs for budgeting purposes.

Marcus Dillon (Dublin)

Sep 2014 Filed under: fuel economy and emissions

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Expert answer

Hi Marcus,

No, but we can work out a rough figure for you. The 2006 320d had a quoted combined figure of 5.7 litres per 100km (about 50mpg). Now, we know that official fuel consumption figures are basically rubbish so let’s be on the pessimistic side – the urban consumption figure was 7.8 litres/100km so let’s split the difference and say 6.8 litres/100km as the halfway point. On your 80km per day, therefore, you’re going to nominally get through about 5.4 litres of fuel per day. That works out at 37.8 litres per week, which at the current average price per litre of diesel comes to €42.90 per week.

Now, that’s an estimated figure, and everything from the traffic levels, to the type of road you use to your own driving style to how much weight you’re carrying in the car to the condition of your engine and your tyres to whether you use the air conditioning or not and so many more variables will have an effect on that figure, so consider it ballpark only.

Neil Briscoe - Complete Car Advisor
@neilmbriscoe