Based on your responses, your displayed range is accurate. If you changed your tires from 19" back to 21" and had Lucid recalibrate your vehicle, it will change EPA range displayed based on your calibrated tires. When you change your tires back to the 19" for winter and Lucid recalibrates your vehicle again, your displayed EPA range will jump back up to approximately ~516mi
From Lucidmotors vehicle configurator specs:
GT 21" range: 469mi
View attachment 13557
GT 19" range: ~516mi
View attachment 13558