2006 Opel Astra vs. 2005 Opel Omega
To start off, 2006 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Omega. In addition, the cost of maintenance, including insurance, on 2005 Opel Omega would be higher. At 2,198 cc (4 cylinders), 2005 Opel Omega is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (168 HP @ 5200 RPM) has 26 more horse power than 2005 Opel Omega. (142 HP @ 4000 RPM). In normal driving conditions, 2006 Opel Astra should accelerate faster than 2005 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Omega weights approximately 229 kg more than 2006 Opel Astra.
Because 2005 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 2005 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Astra, 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, 2006 Opel Astra (250 Nm @ 1950 RPM) has 47 more torque (in Nm) than 2005 Opel Omega. (203 Nm @ 4000 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Omega.
Compare all specifications:
| 2006 Opel Astra | 2005 Opel Omega | |
| Make | Opel | Opel |
| Model | Astra | Omega |
| Year Released | 2006 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 142 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 250 Nm | 203 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 86 mm | 94.6 mm |
| Engine Compression Ratio | 8.8:1 | 10.5:1 |
| Top Speed | 217 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 10.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1614 kg |
| Vehicle Length | 4260 mm | 4900 mm |
| Vehicle Width | 1760 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2720 mm |
| Fuel Consumption Overall | 9.2 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 52 L | 75 L |
