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The car doesn’t base its remaining range on your driving habits - it doesn’t do this on S or X either. It also doesn’t make any assumptions about wheel size. It is simply based on official EPA numbers.I think it takes awhile for the car to figure out how much energy you use and adjust it's miles remaining to compensate.
Also the car assumes you have the 18" wheels with the aero covers, it's been shown the 20" sport wheels on the P3D+ get much worse range than the standard RWD/AWD/P3D- 18" wheels with the aero covers left on.
It does, just not for the range display. The GPS/route planning knows what range you actually see, as far as I can tell. It's pretty accurate with its predictions.The car doesn’t base its remaining range on your driving habits - it doesn’t do this on S or X either. It also doesn’t make any assumptions about wheel size. It is simply based on official EPA numbers.
That said, Tesla may want to hire some more AI folks to do exactly that - predict remaining miles based on driving history/driver profile/tire size/pressure etc.
P3D+ here with 20 inch wheels
I've been averaging about 333 Wh/mi for the first 300 miles. This includes quite a lot of aggressive acceleration as I play with the new toy
As an experiment though I decided to drive to work in Chill mode and try to maximize my efficiency. It's about 20 miles of mostly highway and heavy city traffic in San Francisco. Even babying it on acceleration and trying to use regen as much as possible I was still only able to get about 270 Wh/mi for the round trip. That works out to a range of about 278 miles (75 kWh / 0.27 kWh per mile) so I doubt I could get the stated 310 miles range even if I tried really hard.
Is the 310 mile EPA range tested with the 18 inch aero wheels? If the 20 inch wheels reduce efficiency by about 10% (I heard the aero wheels add about 10% to efficiency) that would account for the range I'm seeing. Not that I'm complaining, it's got plenty of range for my purposes whether it's getting 270 or 310.
I have a set of wheels coming in tomorrow with the Michelin Primacy MXM4 Tires, I will do a run on the highway with both sets and compare numbers.