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Tesla Model 3 Survey Form

Tesla Model 3

The purpose of this survey is to allow Tesla Model 3 owners to share their experience with battery pack capacity and how it changes over time and distance driven. If you are a Model 3 owner, please contribute your experience to the survey by filling in the information below. You are welcome to enter data again as you increase your time and distance.

If you have previously entered a report on this vehicle, use the Model 3 Battery Survey Update Report

Before you start, you may want to collect several bits of information from your car.

  • Current odometer reading
  • VIN sequence number (see the VIN sticker or tap the Tesla logo at top of the touch screen)
  • Assembly date (VIN sticker, see photos below)
  • Firmware version (tap the Tesla logo at the top of the screen)
  • Battery pack part number (see instructions below)
  • Rated Miles/Km after a full Standard/Daily and/or Range/Trip mode charge (you'll need at least one of these numbers)
  • Energy and distance from longest-running trip meter

Measuring Battery Capacity

To get the most accurate reading of your battery capacity, you should read the "Rated Range" (not Projected Range or Ideal Range) from the charge state screen shortly after unplugging. If it's not convenient to get the reading at the best possible time, enter whatever you can read from the closest time.

Instrument UUID
Instrument Calibration

Instrument Priority:
Instrument Resolution:


State: City: Zip Code
Note: Postal codes outside the US generally pinpoint a location, so are kept private. US zipcodes cover much larger areas and are shown as part of the survey data

Preferred distance unit:

Your Model 3

The VIN sticker is on the driver's door frame just below the latch.

The VIN is printed at the bottom of the sticker and the manufactured month/year is in the upper left corner.



VIN Sequence Number (last 5 or 6 digits, no letters): (kept private)
For the example in the image on the right, the VIN sequence number is 3261 (omitting the leading zeros). This portion of the VIN is required in order to properly identify vehicles and follow-up reports for the same vehicle. It will only be used internally for the survey and will not be disclosed in any reports.

Manufactured Date:  
To get the assembly date, open the driver's door, there is a sticker at the bottom right of the door opening. On the top left of that sticker is the build month and year, eg 01/18 for January, 2018. Estimate this if the manufacture date isn't shown on your VIN sticker, e.g., vehicles delivered in Norway.

When did you take delivery? (mm/dd/yyyy)

What was the status of your Model 3 when you acquired it?

Onboard Charger Type

Wheel Size
If you're not sure of your wheel size, you can read it from the sidewalls of your tires. In the tire size it's the number after the R. So if your tire size is 235/45R18 you have 18" wheels and if you have 235/40R19 tires then your wheel size is 19". The original wheel size delivered with your vehicle is shown on your VIN sticker.
If you have a custom wheel size not listed, please note it in the comments.

What is your Model 3 ownership status?

Odometer at delivery: miles

Current Odometer: miles

Firmware version: e.g., 8.1 (2017.50.3)
To get the firmware version, tap the Tesla logo at the top of the touchscreen.

Major Drivetrain Components

Has your Model 3's battery pack been replaced?
Note: For the purpose of this question, we don't count temporary swaps that represent less than 10% of your driving (e.g. at the Harris Ranch battery swapping station). If you've done temporary battery swaps that account for more than 10% of your driving, please make a note of that in the comments field below.

Has your Model 3 onboard charger been replaced?

Has your Model 3's drive unit been replaced?


Notes: If you see a range of values, please enter the average or most common value. If you don't know a value, please leave it blank or wait until you've made a reading to submit. If you haven't done a full 100% charge recently, next time you do, you can use the update form to add the full charge number to your report. You will need to enter at least one of the range numbers to complete the survey.

If you've done a full 100% charge, please enter your rated range:
Full 100% Charge: rated miles

If you don't normally charge to 100%, please enter your charge target and rated range:
Typical Charge: % (your best estimate)
Typical Charge: rated miles

How do you most often charge? Volts Amps

How often do you generally charge?

How often do you charge to 100%?

Are there any Tesla Superchargers within your driving range?

How often do you use a Supercharger?

If you've had a opportunity to determine your maximum charge rate at a full power Supercharger station, please enter it: kW


How do you use your Model 3?

How often do you drive your Model 3?

What is your typical daily round-trip distance? miles.

About what portion of your miles are driven on freeways or highways? %.

When driving on the freeway, what is your typical speed? miles per hour.

How many times have you driven until the Model 3 ran out of power and stopped?

Energy Use

If you have one of the trip meters with a significant number of miles (perhaps your "B" trip meter has your full driving history), please enter your miles and energy use below.

Trip distance: miles
Trip Energy: kWh and/or Wh/mi

Contact Info

Your contact info will only be used to contact you if we need to follow up on your report and to let you know when we have results to report.

Name: (private)
Email: (private)

The survey takes care to provide some protection of owner privacy by not revealing your name, email or VIN sequence number. However, if you would like to identify yourself, you may enter your TMC Forum username. This name will be revealed with the survey data.

TMC Forum Username: (optional, public)


Note: comments are visible to everyone

(2000 characters maximum)

Plug In America

Plug In America depends on a strong community of drivers and supporters to effectively pursue its mission of accelerating the shift to plug-in vehicles.

By choosing the "Yes" option below, you agree to have your name and contact information added to Plug In America's mailing list. This will give you access to Plug In America's free monthly newsletter and email alerts, and will allow Plug In America to invite you to participate in legislative and other consumer-based actions.

Do you give consent for your information to be added to the Plug In America mailing list?

Yes, I'd like to be added to the mailing list. (Recommended)
No, I do not want my information added to the database.

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