this post was submitted on 23 Apr 2025
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The article mentions that Tesla is kind of justifying the behavior by saying it is based on energy consumption and some other bullshit. The expectation according to SAE, which I find very interesting, is to be in a range of +/- 4% and for GPS enabled odometers+/- 2.5%, Tesla is missing the mark for at least 36%.
So we traded a proven, reliable, physical laws based method (wheel roll) in favor of unreliable electronics. Nice.
It's not really that reliable as it it will depend on the diameter of the wheels that can vary with pressure, wear, and and actual tyre size.
A better method may be a sensor like the one used in optical mice.
...but what are we actually trying to measure here? The miles travelled, or the wear and tear that's caused by the wheels spinning?
Mileage by counting the number of rotation of the wheel.
The mileage is a measurement to give an idea of the wear, combined with other information to give a holistic view of the state of the car.