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  1. #1
    New Driver Chewy1971's Avatar
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    Grandsport - Remap - MPG

    Forum Key Rings
    Hi,

    Are there any remappers on here? Can't understand why the Grandsport is only returning 45mpg when the facelift 170 returned 63mpg. The Grandsport is a lot lighter so should be better. Are there any remappers on here who can - get more mpg and bit more poke? I've had remapped cars before, and although got MUCH more poke, the mpg did not alter at all.

  2. #2
    Learner Driver Dave Yorky's Avatar
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    Mar 2019
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    West Yorkshire
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    2018 Insignia Grans Sport Tech Line Nav 2.0 Turbo Diesel. Winter pack.18" Bi-colour alloys.
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    When I bought mine had 6000 miles on the clock. I have done 3000 miles at an average of 48.5 mpg - lot of motorway miles. Best I achieved 55 mpg at a constant 60mph travelling on the M40.
    My previous 64 plate managed 56 mpg on average. I think the Euro 6 technology makes a negative difference against the old models engine.
    I'd be surprised if you can increase power / bhp without any further detriment to economy.

  3. #3
    New Driver Jon199102's Avatar
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    Isn't it due to the new euro testing standard with MPG.

    I have a 140 bhp 2.0 facelift insignia and that has a claimed mpg of 76.2 mpg which is horseradish.

    The best I have managed to get is around 65 on the clock or 58 working it out from the tank.

  4. #4
    Learner Driver Fatfred's Avatar
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    Feb 2019
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    Brissle
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    Grand Sport Elite 1.6D
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    I'm averaging 50+ mpg in my 1.6D mainly on urban roads. Did a 180mile round trip on m way yesterday and averaged 66 mpg all at totally (il)legal speeds.

 

 

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