As we first read in the initial press release, the back seat was getting some new attention:

With over 4.7 inches more legroom than the outgoing model, the rear occupants benefit from vastly increased space and comfort. The option of a two place rear seating package provides for the ultimate in personalized rear-seat luxury.

Similar to what they did with the Range Rover Autobiography Ultimate and Jaguar did with their XJ Ultimate, they swap out the center rear seat for a console upgrade.

In the pictures shown by Top Gear, we can see this new console for ourselves:

And for reference, here is what it looked like in the previous generation Range Rover Autobiography Ultimate: