Only if they get someone to make a voiceover imitation for the new cars (not AI please, even if it can probably be done near seemingless as the audio files are mostly monotone which lets AI mimick it well, it would be soulless and wouldnt be respectfull to the amazing VA)
Since the Koenigsegg CCXR Edition top speed is 259 mph ( 417 km/h) but it can be still keeping up the hypercars with theit top speed of 280 mph (451 km/h)
It is included with the Koenigsegg One:1 Pack, and is unlocked for the racer faction upon the player completing any of the SpeedLists offered at rank 21