| Technical data |  |
 |
| Model | FIAT 125 | FIAT 125 Special |
| Cylinders | 4 | 4 |
| Capacity cm3 | 1608 | 1608 |
| HP at R/min | 90/5700 | 100/6400 |
| Compression | 1:8.8 | 1:8.8 |
| Torque mkg at R/min | 13/4000 | 13.5/4000 |
| Power HP/Litre capacity | 55.97 | 62.19 |
| Forward gears | 4 | 5 |
| Wheel base mm | 2505 | 2505 |
| Track front mm | 1313 | 1313 |
| Track rear mm | 1291 | 1291 |
| Length mm | 4223 | 4225 |
| Width mm | 1611 | 1615 |
| Height mm | 1440 | 1420 |
| Empty weight kg | 1000 | 1060 |
| Maximum speed km/h | 163 | 170 |
| Acceleration 0 – 100 km/h in sec | 12.2 | 11.2 |