Rozmiary opon Alfa Romeo 156 Sedan I
| Nazwa | Lata produkcji | Moc KM | Moc KW | Typ silnika |
| Alfa Romeo 156 Sedan I 3.2 V6 24V GTA | 1997 - 2005 | 251 | 184 | Benzyna |
| Alfa Romeo 156 Sedan I 2.5 V6 24V | 1997 - 2005 | 191 | 140 | Benzyna |
| Alfa Romeo 156 Sedan I 2.0 16V JTS (114kW) | 1997 - 2005 | 155 | 114 | Benzyna |
| Alfa Romeo 156 Sedan I 2.0 JTS (114kW) | 1997 - 2005 | 155 | 114 | Benzyna |
| Alfa Romeo 156 Sedan I 2.0 T.Spark (114kW) | 1997 - 2005 | 155 | 114 | Benzyna |
| Alfa Romeo 156 Sedan I 1.8 T.Spark (106kW) | 1997 - 2005 | 145 | 106 | Benzyna |
| Alfa Romeo 156 Sedan I 2.4 JTD (100kW) | 1997 - 2005 | 136 | 100 | Diesel |
| Alfa Romeo 156 Sedan I 2.4 JTD 20V (100kW) | 1997 - 2005 | 136 | 100 | Diesel |
| Alfa Romeo 156 Sedan I 1.6 T.Spark (82kW) | 1997 - 2005 | 112 | 82 | Benzyna |
| Alfa Romeo 156 Sedan I 1.9 JTD (77kW) | 1997 - 2005 | 105 | 77 | Diesel |
| Alfa Romeo 156 Sedan I 1.9 JTD 16V (77kW) | 1997 - 2005 | 105 | 77 | Diesel |
| Alfa Romeo 156 Sedan I 1.9 JTD 8V (77kW) | 1997 - 2005 | 105 | 77 | Diesel |