Takumi - Opel Manta GT/E which then has the 400i Group B engine (or the fiat 131 coupe but that's too old)
Itsuki - A normal Opel Manta B
Bunta - Lancia Delta Integrale Evo 2 (MSRP of 40k, which is 90k now so bunta will pull magic out his ass and get one for 20k lile how he did with that group a engine, and is the european impreza, only better)
Ever S Chassis owner - An E30 (S13) or E36 (S14)
Shingo - Peugeot 205 GTi (was thinking of the golf but shingo is shingo)
Bakazato - Late Audi Quattro (so the 1990 ones)
Keisuke - Porsche 968
Ryosuke - Porsche 924 Carrera GTS