2003 Opel Omega vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Omega. In addition, the cost of maintenance, including insurance, on 2003 Opel Omega would be higher. At 2,198 cc (4 cylinders), 2003 Opel Omega is equipped with a bigger engine. In terms of performance, 2003 Opel Omega (142 HP @ 5400 RPM) has 38 more horse power than 2007 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2003 Opel Omega should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Omega weights approximately 150 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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 2003 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2003 Opel Omega (209 Nm @ 4000 RPM) has 58 more torque (in Nm) than 2007 Opel Astra. (151 Nm @ 3900 RPM). This means 2003 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2003 Opel Omega | 2007 Opel Astra | |
| Make | Opel | Opel |
| Model | Omega | Astra |
| Year Released | 2003 | 2007 |
| Engine Position | Middle | Front |
| Engine Size | 2198 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 142 HP | 104 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 209 Nm | 151 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Engine Bore Size | 86 mm | 79 mm |
| Engine Stroke Size | 94.6 mm | 81.5 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1665 kg | 1515 kg |
| Vehicle Length | 4900 mm | 4480 mm |
| Vehicle Width | 1780 mm | 2030 mm |
| Vehicle Height | 1510 mm | 1840 mm |
| Wheelbase Size | 2740 mm | 2620 mm |
| Fuel Tank Capacity | 75 L | 52 L |
