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Real world miles per kWh?

Discussion in 'The UK and Ireland' started by IanB, Nov 2, 2019.

  1. IanB

    IanB Member

    Joined:
    Jul 11, 2019
    Messages:
    103
    Location:
    Merseyside
    i’m just wondering what you guys are getting miles per kWh?
     
  2. VanillaAir_UK

    VanillaAir_UK Moderator UK and Ireland

    Joined:
    Jun 17, 2019
    Messages:
    5,434
    Location:
    Surrey, UK
    Huge variance from 1xx to 4xx. TeslaFi reports our 1350 mile average since end Sep as being 287 Wh/Mile. So 77% efficiency. But that should get much better as we continue to learn more secrets to getting better efficiency.
     
  3. PatrickCH4313

    PatrickCH4313 Member

    Joined:
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    Location:
    Argovie, Switzerland
    #3 PatrickCH4313, Nov 2, 2019
    Last edited: Nov 2, 2019
    Tesla Model S 100D (13.12.2017) EAP, FSD, AP2.5

    Winter 2017/2018 average = 23.4 kWh / 100 km (2'207 km) = 375 Wh / Mile
    Summer 2018 average = 17.2 kWh / 100 km (10'331 km) = 276 Wh / Mile
    Winter 2018/2019 average = 21.3 kWh / 100 km (8'502 km) = 342 Wh / Mile
    Summer 2019 average = 18.8 kWh / 100 km (10'240 km) = 302 Wh / Mile


    1 Mile = 1.609 km
     
  4. drewg123

    drewg123 Member

    Joined:
    Jul 14, 2017
    Messages:
    179
    Location:
    Richmond VA
    2017 MX 100D, lifetime of 339Kwh/mi

    For me at least, temperature and tire pressure seems to play a large role. On days when its over 55F, not raining, and my tire pressure is 44 or higher, i generally get better than the rated range. If the temps are much lower, especially if I have to run the heater, then i see well over 400Kwh/mi.
     
  5. vitesse

    vitesse Active Member

    Joined:
    Apr 2, 2019
    Messages:
    1,022
    Location:
    Hertfordshire (UK)
    Depends on the conditions and the type of journey. In our MS70D our best long journey worked out at just under 4 miles/kWh which combined A roads and speed restricted motorways. 70-75mph cruising is about 3 and a bit miles/kWh.
    My wife's 15 miles each-way commute is more like 2.5 miles/kWh.

    Model 3 will do better as it's lighter and has less drag (lower frontal area).

    We've only had our car for a week under 6 months and we live in the South so we haven't experienced very cold weather yet but I'm told efficiency can drop by 15-20%.
     
  6. WannabeOwner

    WannabeOwner Well-Known Member

    Joined:
    Nov 2, 2015
    Messages:
    5,761
    Location:
    Suffolk, UK
    For "whole of life" average consumption / cost?
    or for "Max range" longest trip?

    Any particular model / age?
     

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