1997 Alfa Romeo 156 vs. 2002 Opel Omega
To start off, 2002 Opel Omega is newer by 5 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 156 would be higher. At 2,497 cc (6 cylinders), 2002 Opel Omega is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 156 (152 HP @ 6400 RPM) has 4 more horse power than 2002 Opel Omega. (148 HP @ 4000 RPM). In normal driving conditions, 1997 Alfa Romeo 156 should accelerate faster than 2002 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Omega weights approximately 410 kg more than 1997 Alfa Romeo 156.
Because 2002 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 2002 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, 2002 Opel Omega (300 Nm @ 1700 RPM) has 113 more torque (in Nm) than 1997 Alfa Romeo 156. (187 Nm @ 3500 RPM). This means 2002 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 156.
Compare all specifications:
| 1997 Alfa Romeo 156 | 2002 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Omega |
| Year Released | 1997 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 152 HP | 148 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 187 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 1700 RPM |
| Engine Bore Size | 83 mm | 80.1 mm |
| Engine Stroke Size | 91 mm | 82.8 mm |
| Engine Compression Ratio | 10.0:1 | 17.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1660 kg |
| Vehicle Length | 4440 mm | 4900 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2600 mm | 2740 mm |
| Fuel Tank Capacity | 63 L | 75 L |
