The 2019 RC has the 10.3" multimedia screen. All grades come with Lexus Safety System+ as standard.
Centre console has thicker knee cushioning,
The suspension has been tweaked, with new shock absorbers, giving a more controlled, compliant ride at lower speeds (plus many more steps in the AVS) harder suspension bushes. The steering has been 'recalibrated'
F-Sport comes with painted calipers
Subjectively seems quieter inside and less jiggly around town.