Discovery 2017

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  • JonM
    Member Since: 30 Jun 2016
    Location: North Yorkshire
    Posts: 574
    United Kingdom 
    2022 Discovery SDV6 HSE Carpathian Grey

    How Accurate is Your Fuel Economy Display?

    For some reason, car manufacturers always seem to make the onboard computer display a better fuel economy figure than real-life.

    I'm currently estimating that the D5 is showing a figure about 10% better than real life. Is that typical of what other people are seeing?

    On the D4, I used my IID tool to adjust the display to be much closer to reality but that facility isn't available for the D5 yet.
    MY2022 D5 HSE D300 - with extra nice bits added
    MY2019 D5 HSE 3.0 SDV6 - sold to a dealer for a crazy price!
    14th Oct 2018 6:38 pm
  • Trevorb1
    Member Since: 08 Jan 2018
    Location: Nuneaton
    Posts: 275
    United Kingdom 
    2018 Discovery Td6 SE Corris Grey

    The trip computer on my 18my V6d SE on 19 inch wheels consistently overreads by 15%, been calculated on most refills over last 12000 miles.
    24MY D300 Dynamic SE, Fuji White, Deployable Towbar, full size spare.
    Gone 20MY SDV6 Landmark, Indus Silver, Deployable Towbar, 360 Cameras
    14th Oct 2018 6:53 pm
  • DSL
    Member Since: 23 Jun 2016
    Location: No longer in the D4 :-(
    Posts: 134
    United Kingdom 

    Road Trip app is yer friend. Thumbs Up


    Click image to enlarge

    And yes, that 37.8mpg was for real. Now I’m afraid, very afraid! Shocked Shocked


    Click image to enlarge
    14th Oct 2018 7:58 pm
  • Stenny
    Member Since: 28 Jun 2017
    Location: Stenhousemuir
    Posts: 3
    United Kingdom 
    2017 Discovery Td6 HSE Scotia Grey

    My trip computer is also way out, I also use the Road Trip app, you be surprised at the difference.
    15th Oct 2018 8:47 am
  • IndusD4
    Member Since: 28 Jan 2018
    Location: Sydney
    Posts: 698
    Australia 

    I go by the fuel gauge, If it starts to complain of getting empty, I fill it up. No idea what the fuel consumption is, other than compared to the D4 it just keeps going. for an extra 100km on a tank. So it seems.
    2016 D4 TDV6
    IIDTool BT
    15th Oct 2018 10:27 am
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