Literally just drove a model x and had to deal with terrible range loss due to the cold weather. I highly doubt the model x is at 93% in freezing temperatures. Had to be under 75% battery range.

Electric cars don’t have a hot engine to rely on for heating the cabin and instead use resistive heaters. Huge power draw. There. Saved you a click. Shame on OP for posting without this explanation.

Important note is that newer EVs use heat pumps which are much more efficient than resistive heaters

It’s more than that.

• https://www.acs.org/pressroom/presspacs/2022/acs-presspac-june-8-2022/lithium-ion-batteries-that-last-longer-in-extreme-cold.html

>When temperatures fall below freezing, cellphones need to be recharged frequently, and electric cars have shorter driving ranges. This is because their lithium-ion batteries’ anodes get sluggish, holding less charge and draining energy quickly.

Though if I were in Norway, I would put in a kerosene heater, since as you mention, it’s a battery drain.

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In addition, cold batteries drain faster than warm ones.

Tl; dr: Batteries don't work well below freezing or above 100°.

Saved you a lot of reading.