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Summer vs winter diesel: different energy density?

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  • Exemplar
    Exemplar Posts: 1,610 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    In January my grand Scenic 1.9 DCi was doing 475 miles to a tank. From May it has been doing 525 and for the last couple of hot weeks 550. Same trip, every day, day in day out.....

    So I agree.
    'Just because its on the internet don't believe it 100%'. Abraham Lincoln.

    I have opinions, you have opinions. All of our opinions are valid whether they are based on fact or feeling. Respect other peoples opinions, stop forcing your opinions on other people and the world will be a happier place.
  • It will burn more efficiently in winter (well at least cold months) as well due to the colder more dense air. Not sure how much of a difference it actually makes over and above the intercooler mind you.
  • Ultrasonic
    Ultrasonic Posts: 4,265 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    Thanks for all the replies. There is no doubt that fuel econonmy is reduced in winter due to many factors relating to the weather. What I was trying to nail down is whether there is an impact specifically due to changes in the fuel. This, as I suspected, is proving tough!
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