| Version/Engine | Serial power | Tuning power | Serial torque | Tuning torque | Technical data |
 ALFA ROMEO 166 2.4 JTD CR R5 10V SOHC 100kW/136KM |
136 HP | 170 HP (+34) | 310 Nm | 437 Nm (+127) | show data |
| ALFA ROMEO 166 2.4 JTD CR R5 10V SOHC 103kW/140KM |
140 HP | 175 HP (+35) | 310 Nm | 370 Nm (+60) | show data |
| ALFA ROMEO 166 2.4 JTD CR R5 10V SOHC 110kW/150KM |
150 HP | 185 HP (+35) | 305 Nm | 406 Nm (+101) | show data |
| ALFA ROMEO 166 2.4 JTD CR 5R 20V DOHC 129kW/175KM |
175 HP | 203 HP (+28) | 385 Nm | 473 Nm (+88) | show data |
| ALFA ROMEO 166 2.4 JTD CR 5R 20V DOHC 136kW/185KM |
185 HP | 210 HP (+25) | 385 Nm | 450 Nm (+65) | show data |
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