Abflug supra, veilside supra's, Tom's supra, unfortunately TRD supra is part of toyota..
I can think of a few but I don't know if T10 would do it.
Edit: my opinion?
This kinda smells like marketing ploy. Look what pulling Porsche did for not only the brand but also the extra money in DLC, for T10.
Pre Porsche ban, no one really cared about them. But as soon as they where gone everyone was willing to spend extra to get them. Now Porsches, are being sold in real life at $100k+ as well.
I predict 2 things.
1) you will be seeing toyota in FM7 at a later date for extra money. (Most likely when this "new" supra drops.
2) toyotas, car prices are going to rise substantially in the next 10 years because if this works, people are going to feel like Toyota is "coveted" and now wanted.
As far as the "I'm not buying this game without toyota" goes. As a former multiple supra owner, I know a small community of supra fanatics that buy racing games, only to drive/build their own cars in that said game. Sounds ridiculous to the common gamer but those people will not buy a game that doesn't have their car in it.