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Does anyone know exactly how the range is calculated? Does the car take driving history into account or does it just assume xx watt-hours per mile?This has ALWAYS been the case with ALL of Tesla's vehicles, going back a decade. Within about the first 6 months, everyone WILL see about 5-10 go off of that number. This is two factors: Yes, a lithium ion battery will lose a tiny bit of capacity fairly soon, but mainly, the calculation algorithms lose a little bit of visibility to how much energy is in it. This is just how things are, and there is nothing wrong.
Well, some general ideas, but no, not "exactly". And besides, over the years, Tesla has tweaked that some, with exactly what they are measuring and how and when. It changes somewhat.Does anyone know exactly how the range is calculated?
No, it DEFINITELY does not take your driving efficiency into account and never has. This is a really noticeable difference from how Tesla does things, versus how most other car makers have done their electric cars. The other ones, which move all over the place, depending on who has been driving and how are known as a Guess-O-Meter. Teslas always are based on some fixed efficiency constant, so it is much more like a fuel gauge, where it is really showing the amount of energy, but scaled by a number to a unit that is a little bit more understandable than kWh. But because one of these "rated miles" almost never equals exactly someone's real miles, some people get very upset and angry about that. I don't really mind it, because I just know they are a bit optimistic and ballpark high, because it's based on the EPA testing, which is not how most people drive.Does the car take driving history into account or does it just assume xx watt-hours per mile?
That main number on the front display in a Tesla is NEVER referred to as an estimate, because that's not what it is. It is not doing any projections of your route or how you are driving. It's strictly a fuel gauge.whether it’s an EV or an ICE car, estimated range is always a estimate that makes assumptions on efficiency. As I said above, people never really pay attention to the range in ICE cars they way EV drivers do.
Without looking it up I've got to assume that's a lot of downhill. Were you charged to 100% for departure from Mt Vernon?I’m down to 294. I tried the so called battery recalibration procedures but to no avail. I’m not worried or care because I just completed a 1800+ mile road trip and I can easily see getting 250 to 260 miles from a fully charged battery at freeway speeds in the July heat and humidity. My wh/mi was 270 during that trip. I had one segment (Mt Vernon to Louisville) that was 199.3 miles plug to plug, drove it in exactly 3 hours and consumed 55 kWh. When I arrived I had 22% still showing.
You can call it whatever you want, but if it gives miles it’s an estimate. A ‘fuel gauge’ is percentage of battery remaining. As soon as it calculates miles it’s using some sort of approximation of Wh/mi and it becomes an estimate.That main number on the front display in a Tesla is NEVER referred to as an estimate, because that's not what it is. It is not doing any projections of your route or how you are driving. It's strictly a fuel gauge.
No it's not.The displayed range is an estimate (just like an ice) based on previous usage
No it's not.You can call it whatever you want, but if it gives miles it’s an estimate.
And this is a measurement of the amount of energy remaining.A ‘fuel gauge’ is percentage of battery remaining.
No it isn't. It's not an "approximation" of Wh/mi; it is the amount of energy, converted by the fixed number of Wh/mi from the EPA testing procedure, to express it in a different unit than kWh.As soon as it calculates miles it’s using some sort of approximation of Wh/mi and it becomes an estimate.
Yes, they are. No electricity means gas stations cannot pump gasoline
Nope, I departed Louisville for Mt Vernon at 97% (I misspoke when I said I departed Mt Vernon) it was the other way around. I drafted a big truck for the first 25 or 30 minutes to get my wh/mi down with TACC set to 72 mph (posted is 70) and ducked in/out of the left lane to pass slower cars as necessary. My arrival SoC started off at 11% but kept climbing due to judicious drafting and construction along that portion of I-64. But in the end, my average speed was just at 63 mph with the results as posted. My screen shows temp as well. And I wasn't running my Aero Caps but tire PSI was at 43 psi sometimes 44 psi.Without looking it up I've got to assume that's a lot of downhill. Were you charged to 100% for departure from Mt Vernon?
I use TeslaFi which will not only give your estimated range, but that of other MY's with a similar number of miles.I would like to hear what other Model Y owners have as estimated range on full charge.
Estimate: nounNo it's not.
No it's not.
And this is a measurement of the amount of energy remaining.
No it isn't. It's not an "approximation" of Wh/mi; it is the amount of energy, converted by the fixed number of Wh/mi from the EPA testing procedure, to express it in a different unit than kWh.