Real World Economy

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advance2020
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Post by advance2020 »

Some of the professional reviewers and online stats quote economy for Honda e at under 4.0m/kWh - I have seen some reviews quoting as low as 3.0m/kWh - and 3.7 seems common. I know many use a “Rule of Thumb” as 1 mile = 1% of battery, but as you can see, even on “faster runs” I never drop below 1mile/% battery

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I'm getting much better economy, in general real world use. Yes, I rarely use motorways, or travel long distances at 70mph. Not often in a “great hurry” - so I thought I would share some recent stats here. I often find I get better economy on days when I “top up” at free charge points, or use a Rapid. Date range in table (not shown) is 15 April to 21 May

As I have stated elsewhere, my Predicted Mileage has increased over time, which is strange but true.

C647EB8B-581D-4EE4-9179-9ED73FB0C540.jpeg

Platinum White Pearl: e-driving green at last, on R17 Michelin Pilot Sport
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Trykpaa
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Post by Trykpaa »

We are at 4,3km/kWh (2,7m) incl charging loss over all 21500km. Barely any motorway but short trips.
MaXPainT
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Post by MaXPainT »

Trykpaa wrote: Sat May 21, 2022 6:44 pm We are at 4,3km/kWh (2,7m) incl charging loss over all 21500km. Barely any motorway but short trips.
I am pretty sure you meant 4,3 miles/kWh since 4,3km would be a very sad result. 4 miles is where I am at too with some motorway speeds involved. Glad to see there is no 7miles/kWh report as in the other post :roll:
milligoon
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Post by milligoon »

Miles per kWh are totally meaningless unless presented with the trip or acumulated average mph.
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londiniumperson
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Post by londiniumperson »

MaXPainT wrote: Sun May 22, 2022 3:56 am
Trykpaa wrote: Sat May 21, 2022 6:44 pm We are at 4,3km/kWh (2,7m) incl charging loss over all 21500km. Barely any motorway but short trips.
I am pretty sure you meant 4,3 miles/kWh since 4,3km would be a very sad result. 4 miles is where I am at too with some motorway speeds involved. Glad to see there is no 7miles/kWh report as in the other post :roll:
If you'd read the thread then the context the of the 7miles/kWh then it would be clear on how that was achieved.
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londiniumperson
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Post by londiniumperson »

milligoon wrote: Sun May 22, 2022 10:23 am Miles per kWh are totally meaningless unless presented with the trip or acumulated average mph.
I wouldn't say that it's 'totally meaningless' without the accumulated average speed, however it's use is certainly limited within the context it is provided here.
It is of most use to those individual people that are keeping track of their own this data, rather than those people trying to correlate economy to other peoples data.

I think that the main advantage of posting long term real world economy at least will give potential EV owners a base figure to work with to understand the running cost and range of the Honda e.

Anyway, I'm happy to advertise my average economy as 3.0 m/kWh over 15211 miles.
Note that my figures are based on the billed electricity (i.e. either from a CT clamp on the electrical circuit prior to my home charge unit or as indicated on a public charger when used on the rare occasion).
I have noticed that my Ohme charger consumes about 0.1kWh/day and my average as stated has not taken this into consideration because the the effect is negligible.
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FMIB
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Post by FMIB »

Since buying in Sept 2021 to today, my long term average is also 3 m/kWh over 1000 miles
That is mostly short 2 mile trips with a handful of 40-60 mile round trips.
The short journeys during the colder months give no chance for decent efficiency as the first few miles is heating the cabin and battery.
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advance2020
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Post by advance2020 »

It's not a competition guys, just posted as a guide for others, possibly potential buyers, who might be put off by the sources I mentioned. Yes, my average speed will be lower than many of you commuting to work via twin tracks at 70mph. And those living near M27 - if you drop below 70 around there you get carved up (we used to live in Hampshire). And those who live in Norway and colder regions, will use lots of energy cabin heating etc.
Just posted to show what is possible for some, esp those whose journeys are limited my 30 & 40 limits, and/or dense traffic. If you live around say, Bournemouth or on the Isle of Wight, your average speeds will be low. And no doubt the same around large cities, near London and Bristol you are often commuting at very low average speeds. Maybe what the “e” was designed for.
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Trykpaa
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Post by Trykpaa »

MaXPainT wrote: Sun May 22, 2022 3:56 am
Trykpaa wrote: Sat May 21, 2022 6:44 pm We are at 4,3km/kWh (2,7m) incl charging loss over all 21500km. Barely any motorway but short trips.
I am pretty sure you meant 4,3 miles/kWh since 4,3km would be a very sad result. 4 miles is where I am at too with some motorway speeds involved. Glad to see there is no 7miles/kWh report as in the other post :roll:
No, I'm not confusing any units. The charger has delivered 4950kWh in 2 years and close to 22000km. Its not sad, just real world numbers ;) Car isn't really efficient - my friends Tesla S gets similar numbers despite being a larger car.

I have seen those artificial consumption figures posted, but they will be really short trips, hypermiling, downhill or something else I would consider unsustainable.
We also had special trips with 10km/kWh but when driven like I do my diesel Civic I may get 2,5km/kWh (so I don't).
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keithr
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Post by keithr »

I've not reset Trip B for over 2,288 miles, and my car is displaying that over that distance I've averaged 4.5 miles/kWh. It's about the same as I used to get out of my Nissan LEAF 40kWh.

I do live in Bournemouth where there is a lot of traffic congestion and slow drivers, and most of my journeys are around town, so my average spead may be lower than normal. The car is claiming that my average speed over the last 2,288 miles and 128 hours 54 minutes of driving has been 18mph.
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