I agree it would be good!
Longtime lot of people waiting it.
It would be much more realist.
You hit a wall,and no problem you continue your race!
Not logic it should be the end,car should go to the bin! and why not ,have to buy a new car!!!
It would same time make people drive more carefully,not cutting all time in the grass etc...
More than be spectacular with a big crash,it would make drivers,have to manage the race,taking the right level of risk!
If this can be borring for some players,so maybe the right way would be to have the simulation mode with all i said previously,and the arcade mode without any damage in the crash.
What do you all think about it ?
Wish you all a nice day and longlife to GT series!