2003 Alfa Romeo 156 vs. 1998 Opel Omega
To start off, 2003 Alfa Romeo 156 is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Opel Omega. In addition, the cost of maintenance, including insurance, on 1998 Opel Omega would be higher. At 1,996 cc (4 cylinders), 1998 Opel Omega is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (162 HP @ 6400 RPM) has 48 more horse power than 1998 Opel Omega. (114 HP @ 5400 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1998 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Omega weights approximately 145 kg more than 2003 Alfa Romeo 156.
Because 1998 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 1998 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Alfa Romeo 156 (206 Nm @ 3250 RPM) has 28 more torque (in Nm) than 1998 Opel Omega. (178 Nm @ 2800 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Omega.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1998 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Omega |
| Year Released | 2003 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 162 HP | 114 HP |
| Engine RPM | 6400 RPM | 5400 RPM |
| Torque | 206 Nm | 178 Nm |
| Torque RPM | 3250 RPM | 2800 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1285 kg | 1430 kg |
| Vehicle Length | 4440 mm | 4770 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2740 mm |
| Fuel Tank Capacity | 63 L | 60 L |
