Electric vehicles and steep windy roads

Originally posted by boomeronrations: ↑

Hi,
I am sure that Enog is highlighting this as part of his ongoing dislike of ev's , Cairns to Atherton about 80km ? Makes Enog's mate's anxiety seem a tad overblown.
However, it does pose interesting questions regarding range.
EV's certainly lose range when under increased load , the capacity to get a bit of energy back of limited use if you are on a journey with a big net up.

So , does anybody have a handle on what effect driving from sea level to , say 1000 metres of elevation ,
might have on range.
Now , I know that an ice would also have a decrease , but lets face it , overall , ices have greater range than evs, and at least for now , ''filling up'' a tad easier with an ice.

Another question , somewhat related .
Now , I want an EV , mainly because I am a post middle aged man who likes buying things , regardless how good or bad they might be for me.
I do have a once a fortnight 280km drive , with no realistic recharging along the way [ ok when I get there].
One way is often into a 30 to 40km wind , anybody have any experience in this scenario on the effect on range.
As well , tripping along at 110kmh , which I understand drops efficiency as well
The bottom of the line mg4 has a range of 350km , am I forced to go higher?
Is the next one up , 450km , enough?
Or , if I am going for an EV , just bite the bullet and go for the plug-in hybrid?
I want an MG4 because I think I will look cool in it.

cheers

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Not sure about other car makers. But I find this pretty accurate +/- 5% in Tesla

Predicting Energy Usage
When navigating to a destination, Model 3 helps you anticipate your charging needs by calculating the amount of energy that remains when you reach your destination. When navigating, the map displays this calculation next to the Battery icon on the turn-by-turn direction list (see Navigating to a Destination). When the turn-by-turn direction list is compressed, touch the top of the list to expand it.
The calculation that predicts how much energy you will use is an estimate based on driving style (predicted speed, etc.) and environmental factors (elevation changes, wind speed and direction, ambient and forecasted temperatures, air density and humidity, etc.). As you drive, Model 3 continuously learns how much energy it uses, improving accuracy over time. Model 3 predicts energy usage based on the driving style of the individual vehicle. For example, if you drive aggressively for a period of time, future range predictions will assume higher consumption. Some factors that contribute to predicted energy (such as forecasted temperatures and wind speed) are available only when Model 3 has internet connectivity.

Throughout your route, Model 3 monitors energy usage and updates the estimate of energy remaining at the end of your trip. A popup warning displays on the turn-by-turn direction list in these situations:
A yellow warning displays when you have very little energy remaining to reach your destination, requiring you to drive slowly to conserve energy. For tips on conserving energy, see Getting Maximum Range.
A red warning displays when you must charge to reach your destination.
To determine if you have enough energy for a round trip, touch the Battery icon on the turn-by-turn direction list to display an estimated calculation of your round trip energy usage.
https://www.tesla.com/ownersmanual/model3/en_eu/GUID-01F1A582-99D1-4933-B5FB-B2F0203FFE6F.html#:~:text=Predicting%20Energy%20Usage,-When%20navigating%20to&text=The%20calculation%20that%20predicts%20how,and%20humidity%2C%20etc.).