Talk:Championship/2018 McLaren X2/@comment-37616718-20181125041101/@comment-31458611-20181127202834

It reaches 498,0 km/h at X III X VII (Roman numerals) or A3A7 (hex digits).

It's probably lower than what you might expect, but it happens that the gains from upgrade levels 1 to 4 are relatively small, just about half of the gains from 5 on.