1990 Opel Omega vs. 1998 Alfa Romeo 155
To start off, 1998 Alfa Romeo 155 is newer by 8 year(s). Which means there will be less support and parts availability for 1990 Opel Omega. In addition, the cost of maintenance, including insurance, on 1990 Opel Omega would be higher. At 2,594 cc (6 cylinders), 1990 Opel Omega is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 155 (493 HP @ 11700 RPM) has 344 more horse power than 1990 Opel Omega. (149 HP @ 5600 RPM) In normal driving conditions, 1998 Alfa Romeo 155 should accelerate faster than 1990 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1990 Opel Omega weights approximately 425 kg more than 1998 Alfa Romeo 155.
Let's talk about torque, 1998 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 76 more torque (in Nm) than 1990 Opel Omega. (224 Nm @ 3600 RPM). This means 1998 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1990 Opel Omega.
Compare all specifications:
| 1990 Opel Omega | 1998 Alfa Romeo 155 | |
| Make | Opel | Alfa Romeo |
| Model | Omega | 155 |
| Year Released | 1990 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2594 cc | 2499 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 493 HP |
| Engine RPM | 5600 RPM | 11700 RPM |
| Torque | 224 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 9500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1465 kg | 1040 kg |
| Vehicle Width | 1780 mm | 1750 mm |
