I used a MiniDSP UMIK-1 USB MIC. I paired my MacBook Pro to Model 3 via Bluetooth.
Model 3 is on 46.2
Then Ran REW and did several measurements.
You can download the REW Project file here is you want it. REW Software is Free.
Dropbox - Tesla Model 3 Mini DSP.mdat
Passenger vs Passenger -8dB...