1997 Alfa Romeo 155 vs. 2001 Opel Omega
To start off, 2001 Opel Omega is newer by 4 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 2,172 cc (4 cylinders), 2001 Opel Omega is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (118 HP @ 6300 RPM) has 10 more horse power than 2001 Opel Omega. (108 HP @ 4000 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2001 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Omega weights approximately 326 kg more than 1997 Alfa Romeo 155.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2001 Opel Omega (280 Nm @ 1600 RPM) has 136 more torque (in Nm) than 1997 Alfa Romeo 155. (144 Nm @ 4500 RPM). This means 2001 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2001 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 155 | Omega |
| Year Released | 1997 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2172 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 108 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 144 Nm | 280 Nm |
| Torque RPM | 4500 RPM | 1600 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 75.7 mm | 98 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1270 kg | 1596 kg |
| Vehicle Length | 4450 mm | 4900 mm |
| Vehicle Width | 1710 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1460 mm |
