http://idrankings.com/rankings/current/initiald/v3#V-----
These times are based on Arcade Stage Version 3's world record times.
These times are not going to be completely attainable in the PSP Street Stage Version, since the game doesn't run the same as the arcade version.
But, this is pretty much the general guide to which cars run the best on which course for Time Attacks.
Taken from http://idforums.net/index.php?showtopic=5943
Toyota
86M:8000-->9000-->10500
86 treuno: 5000-->5500-->6000
86 levin: 5250-->5750-->6250-->6500(for battle) 5400-->5750-->6250-->6500(for TA)
85: 5000-->5500-->6000
MR2: 5500-->5500-->6500-->6500
MRS: 5500-->5500-->6000, (for battle)5300-->5800-->6000
Altezza: (for TA)6000-->6500-->7000-->7250, (for battle) 6000-->6000--> 6500-->7000
GT-4: 5800-->6500-->7000
Nissan
R32: 6500-->7500-->8000
R34: 6750-->7250-->8000-->8000-->8125 or 6500-->7250-->7750-->8000-->8125
ER34: 5800-->6500-->7000
S13: 6500-->6500-->7000
S14Q: 6000-->6500-->7000
S14K: 6000-->6500-->7000
S15: 6000-->6200-->6700-->7000
180SX: 6000-->6250-->7000
SIL80: 6000-->6500-->7000
Honda
EG6: 6200-->7200-->7800
EK9: 6500-->7400-->7900
DC2: 6500-->7000-->7500
S2000: 6500-->7200-->7500-->8000
Mitsubishi
EVO3: 5800-->6300-->7000-->7500
EVO4: 6000-->6500-->7000
EVO5: 6000-->6500-->7000
EVO6: 5750-->6250-->7000
EVO7: 5750-->6250-->7000
Mazda
RX-8: 6500-->7250-->7750-->8000
FD I: 6000-->6500-->7250
FD V: 6000-->6500-->7250
FC: 5200-->5600-->6100
NB8C: 6000-->6500-->6500-->7000
NA6C: 5200-->5800-->6200-->6500
Subaru
GC8: 6000-->6500-->7000
GDB: 6000-->6000-->6500-->7000
GC8V: 6000-->6500-->7000
Suzuki
CAP: 8500-->9000-->10500
(Most final shift points are varied, some use a hard set, while others use specific speeds on specific courses as a shift point.)