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Tesla exaggerating EV range for over a decade
(arstechnica.com)
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this post was submitted on 28 Jul 2023
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Every auto manufacture exaggerates range, whether it’s battery or MPG.
I've found the max range on the Hyundai Kona EV's is fairly accurate. It can vary quite a bit with stuff like AC/heat but generally in reasonable weather it gets close to what was advertised.
I have to say the same for the Kia EV6. After a fill charge, driving a few miles on the road yields a very accurate estimate.
Isn't MPG (in the US) estimated by the EPA?
The MPGe Tesla advertised also is. Then they use that to correspond to % remaining battery.
All EVs get wildly different range depending on outdoor temps (I get 30% lower range in winter) and their hysteresis is way higher than an ICE car. But, their range numbers are accurate for when they are measured under ideal circumstances.
I regularly do better than rated range. Others have a heavy foot and do worse. Kinda par for the course.
If you read the article you’d know that this is actually not the case and Tesla is the one exaggerating range to this degree.
“Jonathan Elfalan, vehicle testing director for the automotive website Edmunds.com, reached a similar conclusion to Pannone after an extensive examination of vehicles from Tesla and other major automakers, including Ford, General Motors, Hyundai and Porsche. All five Tesla models tested by Edmunds failed to achieve their advertised range, the website reported in February 2021. All but one of 10 other models from other manufacturers exceeded their advertised range.”
One thing is to exaggerate the range in your advertisement material, which every auto manufacture does—especially since you need to meet veeery specific criteria to get the advertised mpg.
Another though is to rig your software to show misleading range to the people actually driving the fucking car, that’s either stupid or very shady.