Heres a run down
Most requested ideas for GT4 (top 25)
1. More cars on the track. (10-15)
2. Massively improved AI Cars racing against you.
3. More tracks.
4. More cars to choose from.
5. Drag racing!!
6. Changing weather (during the race)
7. Changing time of day (during the race)
8. Tyre marks get left on the road.
9. Bring back racing modifications for all/most of the cars.
10. Car damage!
11. Cars actually get dirty.
12. Aftermarket modifications (NOS, Spoilers, Mufflers, Stickers etc.)
13. More tuning options (HKS, GReddy, VeilSide, C-West etc...)
14. Custom colours (can paint the car any colour you like)
15. Engine transplants (putting a V8 engine in an Rx7 for example)
16. Customisable number plates
17. More American muscle cars.
18. Bring back the Used Cars part of the game.
19. Real pit-crew and the abilty to change tyre type during an endurance race.
20. Fuel consuption
21. More real-life tracks (Nurburgring, Bathurst, Silverstone etc...)
22. Ability to race with the top down in convertables (a choice to have it down or up, too)
23. Reversing lights and indicators etc...
24. Ability to flash your lights at slower cars, and turn lights on/off whenever you want.
25. Proper flag system (yellow flags, black flags etc...)