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Petrol and motorway miles

Discussion in 'A3/S3 Forum (8L Chassis)' started by S3 NIK, May 24, 2007.

  1. S3 NIK

    S3 NIK Member

    Mar 5, 2007
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    On a long motor way run, no exciting driving, is it worth getting more petrol for your bucks by putting normal unleaded in the tank.
    Just a thought as i am covering a few miles this weekend and figured super unleaded may be a waste of cash.
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  3. rodenal

    rodenal Active Member

    Oct 22, 2006
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    You'll prob get slightly less mpg in an s3 with lower octane fuel, so might offset the cheaper cost of the petrol itself mate
  4. Prawn

    Prawn My other car is a MINI!!!!

    Dec 8, 2006
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    ive always found in mine that the lower MPG offsets the lower cost of the fuel.....

    ive run my 1.8T on 99 RON almost entirely, until i almost ran out comming home from worcester yesterday, and didnt fancy paying £1.07 a litre for BP ultimate, so paid 99.9p for normal 95 ron fuel.

    on the way up, running on V-power, i averaged 39.8mpg, cruising at around 80-85.

    on the way home, averaging similar speeds, i only managed 34mpg.

    im not saying its entirely the fuel, but the car felt flat, and unresponsive. the initial torque was still there, but higher up in the rev range i really felt the timming pull back.

    not nice.

    dont bother trying it, just stick with V-power!

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