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What fuel economy should I get in my 1.3 diesel Astra?

Hello, I drive a 2008 1.3-litre diesel Astra with a six-speed gearbox on a fairly normal driving pattern: start, stop, traffic-jams etc. and M50 motorway driving (in which I use the cruise control). What sort of fuel economy should I expect?


Filed under fuel economy and emissions - Asked by Alec Cowan (Tallaght) - Tue, 11 May 2010 17:04

Shane O' Donoghue Answered by: Shane O' Donoghue - Complete Car Adviser - @Shane_O_D


Hi Alec,

First, the disclaimer: a huge number of factors will influence your average fuel consumption, including the route you take; whether your tyres are inflated correctly; if you're driving around with a boot full of golf clubs; and of course how you drive.

All that aside, a good rough estimation is to split the official combined and urban economy figures. This varies for every car but I think you should use about 6.0 litres/100km - which is 47mpg in old money.

Let me know if you want a few basic tips on how to improve your economy and how to measure your consumption precisely.

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