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Real world miles per kWh?

VanillaAir_UK

Well-Known Member
Jun 17, 2019
8,222
5,751
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.
 

PatrickCH4313

Member
Mar 6, 2016
620
392
Argovie, CH
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
 
Last edited:

drewg123

Member
Jul 14, 2017
184
155
Richmond VA
i’m just wondering what you guys are getting miles per kWh?
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.
 

vitesse

Active Member
Apr 2, 2019
1,023
288
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%.
 

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