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Model Y Standard Range EPA Doc & Battery Energy (54.8kWh)


Efficiency Obsessed Member
Oct 22, 2018
San Diego
Sorry for being a little dense (like the 2170L) and late to the party if this has been discussed before but the range increases for 2021 are likely due to the switch to the 5% more energy dense 2170L cells? 250 + 5% = 262.5 for the SR+? That would mean a SR Y if made with the old cells (2170C?) would have had a 232 mile range? I can see Elon saying 230 is too short. But 244 is higher than the original SR+ range of 240 so that is why we get this limited unicorn of sorts. Perfect for a city/suburban family hauler.
Yes. The only slightly confusing thing is that the increase appears to be only 2% (52.5kWh to 53.5kWh if you look at Model 3 SR+ 2020 -> 2021), and the EPA discharge energy didn’t actually change much at all.

But it does seem likely the Model Y SR uses the new cells. Maybe they’ll start offering the YSR again when they have enough line capacity for 2170L. Does not make much sense to be selling them in Model Y SR when they can be going into Performance Model 3/Y.


Mar 26, 2020
Napa, CA
Yeah, that may have been the whoopsie that led to it being pulled. Lots of orders but not enough cells. Also weird considering the news a couple months ago that all SR cars would switch to LFP batteries like the MIC cars. Then to put the new 2170L cells in them is odd. Would be interesting to know margins to see how many more SR they would have to sell to equal the same profit from a P model.

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