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Navigator Trip Range Estimate Question

Discussion in 'Model S' started by DanL50, Dec 1, 2018.

  1. DanL50

    DanL50 Member

    Mar 25, 2018
    Las Vegas
    The trip range graph in navigation seems to work really great, but so far under pretty normal conditions. Going on a trip, though, that may involve snow, wind, cold, altitude change, etc that will affect range.
    Question: When I set a destination, is the on-board range/power estimate "smart", i.e., does it calculate using data collected by Tesla, temperature and maybe other available weather data, altitude change, recent power consumption, etc.?
    Similar to autopilot using the billion-plus miles of data to improve its performance?
  2. animorph

    animorph Active Member

    Apr 1, 2016
    Scottsdale, AZ
    I'm pretty sure it does not consider the effects of weather, beyond the last 30 miles. We stopped at a Supercharger after a dry drive (last 30 miles data) and it started raining heavily as we departed. The nav charge remaining at destination fell like a rock for the first 30 miles or so of the drive. We had to drive slower than usual to make the next Supercharger.

    That said, it was the only poor estimate we had during the entire trip.

    I hope Tesla has used the data of cars traveling between Superchargers to improve the estimates. Seems easy enough. But however the estimate is generated it works pretty well now, and better than our 2017 trips.
  3. SpudLime

    SpudLime Active Member

    Jun 10, 2018
    Leesburg, Va
    bring up the browser in the car and go to "" it takes a lot more of those factors when giving you your route. there is a big thread on "abetterrouteplanner" on TMC as well.
  4. Lukez

    Lukez Member

    Mar 21, 2016
    I find that the estimate is very very good even before driving at all. It seems to take into all the factors because even in freezing Temps it did good predictions. The only thing that I found it doesn't take into account is if the battery is cold to start. If you preheat for a while before you leave you should find the calculation very good if not conservative.
    I just recently did a trip from Canada to South Carolina and not once did it under estimate, going through mountains, different winds, different Temps!

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