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Tesla exaggerated EV range so much that drivers thought cars were broken
(arstechnica.com)
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this post was submitted on 27 Jul 2023
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I've had a Hyundai EV for the past year or so. The range it tells me is the range it gets unless I'm driving a route with major elevation changes, and I rely on that fact constantly to plan my trip and my charge stops. As far as I'm concerned, accurate range estimation is core EV functionality. Genuinely disgusting anti-consumer behavior out of Tesla.
You have to plan your trips like that?
The tesla navigation systems just plans it for you and takes that all into account. Unless you're excessively speeding it's almost always within 1% or 2% (over or under), and that takes elevation, speed limits above optimal efficiency, heating, cooling, I believe even ambient temperature into account.
I've never ever had to think about it.
Now, if I didn't use the trip planner and relied solely on the displayed KM I'd never trust it, because there are so many variables to take into account. The car can legitimately get the EPA rated range in the EPA test conditions, but those conditions aren't every day driving conditions. I would never trust if it says 400km that I'd be able to do 390km trip. There's too many things to consider and the software does it all automatically.
The whole making more exaggerated numbers at full vs 50% is sketchy if true, but people really should be using % vs km. Km are always going to have problems. And people should be using the trip planner for any lengthy trip.