Airbus A380
This plane has 3 configurations:
Regular – Average configuration of 544 pax
Max Capacity – Maximum configuration of 853 pax
OP Capacity – An extra version (that doesn’t exist IRL) of 1000 pax
All of the configurations have got the same max speed of 1185 km/h, but as the max speed of tracks is 600 km/h it’s not possible to utilize their full speed.