Tesla had promised a power increase of about 5% for car engines Model 3 and a little less for the Model S e Model X through signature software update2019.36.2.1. A couple of Tesla Model 3 owners tested if this is true after downloading the new firmware and got "amazing" results.
Tesla CEO Elon Musk e il VP of Technology Drew Baglino they announced the performance improvement via firmware during the investor conference on the sidelines of the publication of Q3 financial results. At that time they had identified around 5% of the improvement in performance. “We continue to study how we can optimize the engine performance of our cars. An improvement of 5% is expected for all Model 3 customers and 3% for Model S and X,” Baglino said during the conference.
The performance improvement of its vehicles is a prerogative for Tesla, which considers it as a resource made available to its customers. "I don't think there's ever been a situation in history where you buy a car and it gets better over time, through software," Musk said.
Software updates from the Silicon Valley-based electric car maker don't just improve performance, they add new features, as Smart Summons. The latter allows Tesla vehicle owners to leave the car in a specific place and recall it, allowing it to avoid obstacles to reach the owner directly. We already talked about it here.