Electrek believes a possible reason for this could because battery capacity energy increased. The Model 3 Long Range’s battery, to compare, just received an upgraded energy capacity. However, the Model 3 and Model S don’t use the same battery cells. Chances are Musk’s ego and competitive spirit will provide some answers on Twitter soon enough.
It is now up to Lucid, who has yet to deliver a single vehicle (reservations are being accepted), to hit back somehow.