TDU2 like with the driving physics of The Crew, the car list of The Crew, TDU1 and TDU2 and TDFRL bonus pack.
The maps of The Crew and TDU2, with Dubaii and Isle of Man
Full dynamic weather with wind and drafting effects.
Full custom race and challenge editor with dev tools to place the checkpoints, cones, drums etc. Including Driving school challenges.
Free follow the leader and more things you can do as a Crew.
More customizing options, like creating a custom Garage or showroom and custom stickersets or wraps you can save and use on all cars.
The list goes on and on.
I once made a full list of how my perfect TDU3 would look like. Right when they rumored to sell the TDU license.
We will see what Nadal C.S. and the new Eden Studios will cook up with GT Spirits (Working title)