Here is a List of 177 (+edit:193) Cars which could be added into the game. Especially in Forza Horizon.
One suggestion from me would also be the “Boxer Rumble Carpack” with the following cars: 1. Subaru Impreza WRX STI S203, 2. Subaru Impreza WRX STI S204, 3. Subaru Forester STI (SG9), 4. 2004 Subaru Legacy GT-B Wagon, 5. Subaru WRX STI S209, 6. Porsche 718 Cayman GTS, 7. Porsche 911 GT3 Touring Package.
Now to the List
Audi
- 2000 Audi Cabriolet 2.8 V6 or 2.3 R5
- 2003 Audi S3 (8l)
- 2009 Audi A3 3.2
- 2012 Audi S3 (8P)
- 2014 Audi S3 Saloon
- 2018 Audi RS3 Saloon
- 2018 Audi RS3 Sportback
- 2003 Audi S4 B6 Avant
- 2003 Audi A4 B6 1.8T Avant
- 2007 Audi RS4 B7 Avant
- 2009 Audi S4 B8 Avant
- 2019 Audi S4 B9 Avant
- 2019 Audi RS4 B9 Avant
- 2010 Audi S5 8T (4.2 V8)
- 2018 Audi S5 F5 (Coupé or Sportback)
- 2019 Audi RS5 Coupé and Sportback
- 2004 Audi A6 C5 2.7T Avant (250hp)
- 2004 Audi RS6 plus C5 Avant
- 2010 Audi RS6 C6 Avant
- 2017 Audi A8 D4 6.3 FSI
- 2017 Audi A8 D4 4.2 TDI (385hp)
- 2017 Audi S8 plus D4
- 2016 Audi RSQ3 performance
- 2012 Audi Q7 V12 TDI
- 2018 Audi SQ7 TDI
BMW
26. 2019 BMW X3 M Competition
27. 2019 BMW X4 M Competition
28. 2017 BMW X5 M (F85)
29. 2019 BMW X5 M50d (G05)
30. 2019 BMW X7 xDrive50i (G01)
31. 2018 BMW M760Li (G12) (610hp)
32. 1996 BMW 850CSi
33. 2019 BMW M850i xDrive
34. 1998 BMW 328i E36 Coupé
35. 2006 BMW 325i Touring
36. 2012 BMW 335i E90
37. 2012 BMW M3 CRT (E90)
38. 2012 BMW M3 GTS (E92)
39. 2017 BMW 340i Touring (F31)
40. 2018 BMW M3CS (F80)
Alfa Romeo
41. 2011 Alfa Romeo 159 1.8 TBi Sportwagon
42. 2006 Alfa Romeo 147 GTA
43. 2005 Alfa Romeo 156 GTA
44. 2015 Alfa Romeo Giulietta QV
45. 2007 Alfa Romeo GT 3.2V6
46. 2010 Alfa Romeo Brera 3.2 Q4
Bentley
47. 2017 Bentley Flying Spur W12 S
48. 2018 Bentley Continental Supersports
49. 2019 Bentley Continental GT
Rallye Kit Cars
50. Citröen Saxo KitCar
51. Citröen Xsara Kitcar
52. Renault Clio KitCar
53. Renault Megane Maxi
54. Peugeot 306 Maxi
Citröen
55. 2009 Citröen C2 VTS
56. 2002 Citröen Xsara VTS 2.0i 16V (Rallye Bodykit)
57. 2008 Citröen C4 VTS 2.0 16V (Rallye Bodykit)
58. 2011 Citröen DS4 THP 200
59. 2017 Citröen DS5 THP 210
Seat
60. 2018 Seat Ateca Cupra 300
61. 2005 Seat Leon Cupra R
62. 2012 Seat Leon Cupra R
63. 2018 Seat Leon Cupra R
64. 2007 Seat Ibiza Cupra
65. 2016 Seat Ibiza Cupra (1.8TSI)
Skoda
66. 2006 Skoda Fabia RS 1.9 TDI (Rallye Bodykit)
67. 2014 Skoda Fabia RS (Rallye Bodykit)
68. 2006 Skoda Octavia RS
69. 2013 Skoda Octavia vRS Combi (2.0TSI)
70. 2015 Skoda Octavia vRS Combi (2.0TSI)
71. 2013 Skoda Superb 3.6 FSI Combi
72. 2018 Skoda Superb 2.0 TSI Combi (280hp)
Hyundai
73. 2016 Hyundai Genesis G90 5.0 GDi
74. 2016 Hyundai Genesis G80 3.3T Gdi
75. 2018 Hyundai Genesis G70 2.0 T-GDi (252hp)
76. 2017 Hyundai i30 N Performance
Mercedes-Benz
77. 2019 Mercedes AMG A35 AMG
78. 2019 Mercedes AMG C43 AMG T-Modell
79. 2007 Mercedes C55 AMG T-Modell
80. 2007 Mercedes C32 AMG Limousine
81. 2000 Mercedes C55 AMG
82. 2019 Mercedes AMG E 63 S Sedan
83. 2019 Mercedes AMG E53 T-Modell
84. 2009 Mercedes E 63 AMG T-Modell
85. 2006 Mercedes E55 AMG T-Modell
86. 2009 Mercedes E63 AMG Sedan
87. 2001 Mercedes E55 AMG (T-Modell or Sedan)
88. 1988 Mercedes CE 6.0 AMG
89. 2018 Mercedes AMG S63 4Matic+
90. 2014 Mercedes S65 AMG L
91. 2005 Mercedes S65 AMG L
92. 2001 Mercedes SL 73 MG
93. 2017 Mercedes AMG GLC 63 S
94. 2016 Mercedes AMG GLE 63 S Coupé
Mazda
95. 2005 Mazda 6 MPS
96. 1992 Mazda 323 GT-R
97. 1990 Mazda Cosmo (20B)
Ford
98. 2019 Ford Fiesta ST
99. 2019 Ford Ranger Raptor
100. 2000 Ford Mondeo ST200
101. 2007 Ford Mondeo ST 220
102. 2010 Ford Mondeo 2.5T
Renault
103. 2008 Renault Megane RS
104. 2018 Renault Megane R.S. Trophy TCe 300
105. 2019 Alpine A110
106. 2017 Renault Twingo GT
107. 2005 Renault Clio V6
108. 2005 Renault Clio Sport 2.0 16V
Peugeot
109. 1998 Peugeot 106 Rallye
110. 2004 Peugeot 206 RC
111. 2010 Peugeot 207 RC
112. 2009 Peugeot 207 Super 2000
113. 2018 Peugeot 308 GTi (270hp)
114. 1990 Peugeot 405 T16 Pikes Peak
115. Peugeot 406 „Taxi Taxi“
116. Peugeot 407 „Taxi 4“
117. 2018 Peugeot 208 GTi 30th
118. 2015 Peugeot RCZ R
Saab
119. 2010 Saab 9-5 SportCombi 2.3 Turbo (260hp)
120. 2011 Saab 9-5 2.8T
121. 2006 Saab 9-2x Aero
122. 2011 Saab 9-3 Aero XWD
Nissan
123. 1995 Nissan Sunny/Pulsar GTI-R
124. 1989 Nissan March SuperTurbo
Subaru
125. 2004 Subaru Impreza WRX STI S203
126. 2006 Subaru Impreza WRX STI S204
127. 2008 Subaru Forester STI
128. 2004 Subaru Legacy GT-B
129. 2007 Subaru Legacy 3.0R Spec B
130. 2010 Subaru Outback 3.6R
131. 2019 Subaru WRX STI S209
Porsche
132. 2018 Porsche 718 Boxster
133. 2018 Porsche 718 Cayman GTS
134. 2018 Porsche GT3 Touring Package
135. 1993 Porsche 964 911 Turbo S Leichtbau
136. 2019 Porsche 718 Cayman GT4
Ruf
137. 1991 Ruf CTR
138. 2000 Ruf CTR 2
139. 2013 Ruf CTR 3 Clubsport
140. 2017 Ruf CTR
VW
141. 2004 VW Passat W8
142. 2010 VW Passat R36
143. 2015 VW Passat CC 3.6FSI
144. 2012 VW Polo R WRC
145. 2018 VW Polo GTI
146. 2018 VW up! GTI
147. 2005 VW Lupo GTI
148. 2007 VW Golf V GTI W12 650
149. 2008 VW Golf V GTI
150. 2008 VW Golf V R32
151. 2009 VW Gold VI GTI
152. 2003 VW New Beetle RSI
153. 2001 VW W12 Nardò
154. 2007 VW Phaeton 5.0 V10 TDI
Opel
155. 1970 Opel Diplomat V8
156. 1996 Opel Calibra Turbo 4x4
157. 1982 Opel Monza 3.0 E
158. 2000 Opel Vectra i500
159. 2008 Opel Signum 2.8T (250hp)
160. 2008 Opel Vectra OPC Sedan
161. 2015 Opel Insignia A OPC (Sedan or Combi)
162. 2018 Opel Insignia B GSi Sports Tourer
163. 1993 Opel Corsa A GSi
164. 2013 Opel Corsa D OPC NBR Edition
165. 2001 Opel Astra OPC X-treme
166. 2005 Opel Astra G OPC
167. 2010 Opel Astra H OPC NBR Edition
168. 2018 Opel Astra K 1.6T
169. 2004 Opel Zafira A OPC
170. 2010 Opel Zafira B OPC
171. 2017 Opel Adam S
172. 2003 Opel Omega B 3.2i
173. 2009 Opel Meriva OPC
Smart
174. 2013 Smart Fortwo Brabus
175. 2017 Smart Fortwo 0.9 Brabus Ultimate 125
176. 2017 Smart Forfour EQ
177. 2003 Smart Roadster-Coupe Brabus V6 Biturbo
Edit:
Volvo
178. 2007 Volvo S60 R
179. 2016 Volvo S60 Polestar
180. 2018 Volvo S60 T8 Twin Engine Polestar Performance
181. 2018 Volvo V60 T8 Twin Engine
182. 2013 Volvo V40 T5 (254hp)
183. 2012 Volvo C30 T5 (230hp)
184. 2000 Volvo V70 2.5 R AWD
185. 2007 Volvo V70 R
186. 2015 Volvo V70 T6 AWD
187. 2010 Volvo XC90 V8
188. 2018 Volvo XC90 T8 Twin Engine Polestar Performance
189. 2015 Volvo XC60 T6 AWD
190. 2018 Volvo XC60 T8 Twin Engine Polestar Performance
191. 2012 Volvo S40 and V50 T5
192. 2018 Volvo V90 T8 Twin Engine Polestar Performance
193. 2010 Volvo S80 V8