After driving just 100 miles from a 90% charge the battery goes down to 20-25% of range left. After driving 50 miles, 100+ miles will come off my range and I would have to charge it for 4-5 hrs at 23 miles/hr to get it back to 90%. So it does not seem to be a reading error but my Model 3 has actually lost 100+ mile of range.
I drive 12 miles to work and 12 miles back home, less than 25 miles round trip yet I lose 40-50 miles off my range. My commute is local roads going 40-50 mph most of the way. It seems that when my M3 is stopped at a red light for a little while then SLOWLY accelerating to 20-30 mph again there will be a large spike in the reading. There is much less of a spike if i am moving at very low speed 5-10 mph and decide to punch it.
It's not once in awhile but every single time, every single day when I drive my M3 the reading starts at 500+ wh/mile, sometimes 900-1300 and as high as 1,778 wh/mile. After 10 miles into the drive the reading is still averaging 350-400 wh/mile. And no matter how short or long the trip it does not go below 300 hw/mile average.
I am not concern about the high wh/mile in the beginning of the drive, but that it is sustained at 350-500 kw/mile on a 10-20 mile stretch, driving in the most conservative way possible. No launching or punching it. I am concerned that after just 100 miles of conservative driving my 90% battery goes down 20-25%.
I do not use Sentry mode, cabin overheat protect is off, dog mode is off, No third party app. Car is stock nothing added. Brake Regen is On, no excessive braking or acceleration. Car is always parked in my home garage or work parking garage. Do not turn on seat heater or heat. AC now set to 70 degree and 3 when I'm driving. Turning off the AC I get better wh/mile but its not much lower.
I am not even getting 200 mile of range at the rate my M3 LR RWD is consuming energy. Trip Odometer A is around 150 miles at 324 wh/miles and Odometer B is almost 300 miles at 316 wh/miles