1997 Alfa Romeo 156 vs. 1990 Opel Omega
To start off, 1997 Alfa Romeo 156 is newer by 7 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 2,492 cc (6 cylinders), 1997 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 156 (187 HP @ 6300 RPM) has 98 more horse power than 1990 Opel Omega. (89 HP @ 5200 RPM). In normal driving conditions, 1997 Alfa Romeo 156 should accelerate faster than 1990 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1997 Alfa Romeo 156 weights approximately 114 kg more than 1990 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 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 1990 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1997 Alfa Romeo 156, 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, 1997 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 71 more torque (in Nm) than 1990 Opel Omega. (151 Nm @ 3400 RPM). This means 1997 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1990 Opel Omega.
Compare all specifications:
| 1997 Alfa Romeo 156 | 1990 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Omega |
| Year Released | 1997 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 187 HP | 89 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 222 Nm | 151 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Engine Bore Size | 88 mm | 84.8 mm |
| Engine Stroke Size | 68.3 mm | 79.5 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1320 kg | 1206 kg |
| Vehicle Length | 4440 mm | 4740 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2600 mm | 2740 mm |
