2005 Alfa Romeo 159 vs. 1999 Opel Omega
To start off, 2005 Alfa Romeo 159 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Omega. In addition, the cost of maintenance, including insurance, on 1999 Opel Omega would be higher. At 2,497 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 159 (197 HP @ 4000 RPM) has 66 more horse power than 1999 Opel Omega. (131 HP @ 4500 RPM). In normal driving conditions, 2005 Alfa Romeo 159 should accelerate faster than 1999 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 45 kg more than 2005 Alfa Romeo 159.
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, 2005 Alfa Romeo 159, 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, 2005 Alfa Romeo 159 (385 Nm @ 2000 RPM) has 150 more torque (in Nm) than 1999 Opel Omega. (235 Nm @ 2200 RPM). This means 2005 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Omega.
Compare all specifications:
| 2005 Alfa Romeo 159 | 1999 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Omega |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2497 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 131 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 385 Nm | 235 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Engine Bore Size | 82.1 mm | 80 mm |
| Engine Stroke Size | 90.4 mm | 82.8 mm |
| Engine Compression Ratio | 17.0:1 | 22.5:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 8.4 seconds | 12 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1675 kg |
| Vehicle Length | 4670 mm | 4900 mm |
| Vehicle Width | 1830 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 75 L |
