Defeat the indicated opponent to unlock the corresponding car:

AE86: Defeat Keiichi Tsuchiya (opponent 32).
B310: Defeat Zaku (opponent 5).
Cop Car P34: Defeat opponent 38.
Eclipse Advan JZA80: Defeat Manabu Orido (opponent 20).
RB1: Defeat Manabu Suzuki (opponent 10).
Stream Option Z33: Defeat Daijiro Inada (opponent 15).
Taisan Benihana Viper: Defeat Tarzan Yamada (opponent 26).