1992 Alfa Romeo 155 vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 7 year(s). Which means there will be less support and parts availability for 1992 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1992 Alfa Romeo 155 would be higher. At 2,597 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (180 HP @ 6000 RPM) has 16 more horse power than 1992 Alfa Romeo 155. (164 HP @ 5800 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1992 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 443 kg more than 1992 Alfa Romeo 155. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Opel Omega is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1992 Alfa Romeo 155, being front wheel drive (FWD), will offer much better control with better grip. 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, 1999 Opel Omega (230 Nm @ 3400 RPM) has 13 more torque (in Nm) than 1992 Alfa Romeo 155. (217 Nm @ 4500 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1992 Alfa Romeo 155.
Compare all specifications:
| 1992 Alfa Romeo 155 | 1999 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 155 | Omega |
| Year Released | 1992 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2597 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 164 HP | 180 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 217 Nm | 230 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Engine Bore Size | 88.1 mm | 83.2 mm |
| Engine Stroke Size | 68.3 mm | 79.6 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1290 kg | 1733 kg |
| Vehicle Length | 4450 mm | 4900 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1550 mm |
