Report: Tesla Model S/X upgrading to more efficient electric motors

If you're considering a Tesla Model S or Model X purchase in the second half of 2019, expect your vehicle to ship with more efficient electric motors. Tesla is apparently planning an upgrade and we have the Model 3 to thank for it.
As Electrek reports, both the Model S and X use AC induction electric motors, which achieve an efficiency of 93 percent. However, for the more recently developed Model 3, Tesla switched to using permanent magnet reluctance motors, which achieve an efficiency of 97 per