| FIAT 131 (131_) 1.3 Mirafiori | 10.1974 - 09.1981 | 40kW / 54HP |
| FIAT 131 (131_) 1.3 Mirafiori (131A) | 1974-10 - 1982-12 | 48kW / 65HP |
| FIAT 131 (131_) 1.3 Super Mirafiori | 1978-03 - 1980-12 | 57kW / 78HP |
| FIAT 131 (131_) 1.6 | 1976-11 - 1984-12 | 63kW / 85HP |
| FIAT 131 (131_) 1.6 Super | 1978-03 - 1984-01 | 71kW / 97HP |
| FIAT 131 (131_) 1.6 Super Mirafiori (A) | 1979-03 - 1982-03 | 72kW / 98HP |
| FIAT 131 (131_) 2.0 Racing | 1978-06 - 1981-12 | 85kW / 115HP |
| FIAT 131 (131_) 2.0 Abarth Rally | 1976-01 - 1980-07 | 103kW / 140HP |
| FIAT 131 Familiare/Panorama (131_) 1.3 Mirafiori (AF) | 03.1975 - 12.1978 | 40kW / 54HP |
| FIAT 131 Familiare/Panorama (131_) 1.3 Mirafiori (AF) | 1975-03 - 1982-03 | 48kW / 65HP |
| FIAT 131 Familiare/Panorama (131_) 1.6 CL (AF1) | 1975-03 - 1978-12 | 55kW / 75HP |
| FIAT 131 Familiare/Panorama (131_) 1.6 Super | 1979-12 - 1981-12 | 72kW / 97HP |
| SEAT 131 1.6 | 03.1982 - 01.1985 | 71kW / 97HP |
| SEAT 131 2.0 | 06.1978 - 12.1985 | 85kW / 116HP |