Don't forget to consider battery degradation too and that you should leave about 10% battery remaining cushion. At 85% efficiency of EPA range (I watched video where a team tested iirc 7 EVs and that seems to be average), add 10% cushion, plus 15% degradation... I would estimate about 66% as actual range. 400mi range would be ~260mi. Would get more degradation to 30% after 10 years dropping it down to ~215mi.This sounds a lot like my "requirements"....My alma mater is 150+ miles from home. I want to drive down, tailgate, watch the game and get back home without recharging late at night. I ordered a Touring relying on 406 miles of range--by the math, a 33% cushion, right?
Not so fast--it sounds like that cushion could evaporate depending on outside temp, A/C, heating, wind direct, wind speed, hilliness of the roads, MPH, number of passengers , weight of the cooler....
This might all make engineering sense to some, but it also makes the car impractical for me...it's the reason I passed on the early Model X. The fact that other EVs underperform the estimates is no comfort. I've got 2 high-end ICE cars that will accomplish the mission regardless of all of the variables.
The survey above is a tiny sample size, but still--85% of the respondents are getting less than 80% of the published range. If these stats don't improve I have to pass.
If you got the 500mi then it be will be 325mi and 265mi respectively.