| ALFA ROMEO 166 (936_) 2.0 T.Spark (936A3B00) | 2000-10 - 2007-06 | 110kW / 150HP |
| ALFA ROMEO 166 (936_) 2.0 T.Spark (936A3A__) | 1998-09 - 2000-10 | 114kW / 155HP |
| ALFA ROMEO 166 (936_) 2.0 V6 (936A3___) | 1998-09 - 2000-10 | 151kW / 205HP |
| ALFA ROMEO 166 (936_) 2.5 V6 24V (936A21__) | 2000-10 - 2007-06 | 138kW / 188HP |
| ALFA ROMEO 166 (936_) 2.5 V6 24V (936A2___) | 1998-09 - 2006-12 | 140kW / 190HP |
| ALFA ROMEO 166 (936_) 3.0 V6 24V (936A11__) | 2000-10 - 2007-06 | 162kW / 220HP |
| ALFA ROMEO 166 (936_) 3.0 V6 24V (936A1000, 936A1001) | 1998-09 - 2007-06 | 166kW / 226HP |
| ALFA ROMEO 166 (936_) 3.2 V6 24V (936AXB00, 936AXA00) | 2003-10 - 2007-06 | 176kW / 240HP |
| ALFA ROMEO 166 (936_) 2.4 JTD (936A2A__) | 1998-09 - 2000-10 | 100kW / 136HP |
| ALFA ROMEO 166 (936_) 2.4 JTD (936A2B__) | 2000-10 - 2007-06 | 103kW / 140HP |
| ALFA ROMEO 166 (936_) 2.4 JTD (936AXC00, 936AXD01) | 2003-10 - 2007-06 | 129kW / 175HP |