Time to repost my exhaustive list :
H1 :
Renault 8 Gordini (110 hp / 800 kg)
DS21 (130 hp / 1250 kg)
Saab 96 V4 (110 hp / 800 kg)
Volvo 142S (120 hp / 1070 kg)
H2FWD :
Abarth Ritmo 125TC (200 hp / 820 kg)
Renault 11 Turbo (185 hp / 900 kg)
Opel Kadett E 2.0 GSi (190 hp / 920 kg)
Skoda Favorit 136L (?)
Suzuki Swift AA34S GTi (?)
H2RWD :
Skoda 130RS (142 hp / 720 kg)
BMW 2002TII (195 hp / 920 kg)
Datsun Violet GT (230 hp / 1050 kg)
Datsun 240Z (225 hp / 920 kg)
Toyota Celica RA45 GT2000 (245 hp / 1000 kg)
H3RWD :
Volvo 240RS (305 hp / 1100 kg)
Mitsubishi Starion (?)
Nissan Silvia BS110 240RS (277 hp / 970 kg)
Grp B RWD :
Alpine A310 V6 (290 hp / 950 kg)
Toyota Celica TA64 Twin Cam (350 hp / 1100 kg)
Mazda RX7 (300 hp / 960 kg)
Grp B 4WD :
Mitsubishi Starion proto (350 hp / 1050 kg)
Citroën BX4TC (380 hp / 1150 kg)
Grp A :
Toyota Celica ST185 (300 hp 1120 kg)
Toyota Celica ST205 GT4 (300 hp / 1200 kg)
Mazda 323 BG8 GTR (300 hp / 1100 kg)
F2 Kit Cars :
Citroën Xsara kit car (280 hp / 960 kg)
Skoda Octavia (270 hp / 980 kg)
S1600 :
Suzuki Ignis (220 hp / 1000 kg)
Peugeot 206 (216 hp / 950 kg)
Punto (215 hp / 920 kg)
S2000 :
VW Polo (280 hp / 1200 kg)
MG ZR (270 hp / 1150 kg)
Skoda Fabia 2 (279 hp / 1200 kg)
Proton Satria Neo (279 hp / 1200 kg)
WRC 1997-2011 :
Skoda Octavia 2002 (300 hp / 1230 kg)
Peugeot 307 (300 hp / 1230 kg)
Citroen DS3 (300 hp / 1200 kg)
Toyota Corolla E111 (300 hp / 1230 kg)
Mitsubishi Lancer WRC05 (300 hp / 1230 kg)
Suzuki SX4 (320 hp / 1230 kg)
WRC2017 :
Citroen C3 WRC (380 hp / 1190 kg)
Toyota Yaris (380 hp / ? kg)
Rally4 :
Renault Clio rally4 (215 hp / 1080 kg)
Rally3 :
Renault Clio rally3 (260 hp / 1210 kg)
Rally2 :
Dacia Sandero x Oreca rally2 (265 hp / ? kg)
Mitsubishi Space Star R5 (280 hp / 1230 kg)
WRC2 :
Toyota Yaris GR rally2 (300 hp)
RGT :
Alpine A110 (330 hp / 1100 kg)
Abarth 124 Rally (300 hp / 1100 kg)
Porsche 997 GT3 (400 hp / 1200 kg)
Aston, M2, Exige ?