Tesla has increased the Supercharging rate of the Model S and Model X to 250 kW to match the Model 3 and Model Y capacity. This would be the third software update to increase the charging rates of the two vehicles.
Last year, Tesla said that only the Model 3 will have the 250 KW charge rate capability of the Supercharger 3 while the Model S and Model X cars had the upgraded capacity to 200 kW via a software update.
Meanwhile, Electrek reported that the price reduction might be due to Tesla's coping with its pre-orders. Since the backlog is already manageable, the automaker can now improve the cost by increasing its production volume.
This may be true as its Fremont gigafactory will have an additional vehicle assembly line that may cover the increased production of Model Y.