Newey said at Silverstone that the trend of the rules is in the direction of a single-make series, like a glorified GP2, and "We're already, in my opinion, in grave danger of getting close to that".
So the 55-year-old's main office next year will not be in Red Bull's F1 factory, but in the new 'Advanced Technologies Centre', where according to speculation he could begin work on an America's Cup yacht design.
And what about a supercar branded as Infiniti, Nissan's luxury division and the reigning world champion team's title sponsor?
"Adrian it itching to do something new," Andy Palmer, Nissan's British executive vice president, told topgear.com.
"Watch this space."