2005 Opel Astra vs. 1999 Opel Omega
To start off, 2005 Opel Astra 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 1,998 cc (4 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (134 HP @ 5600 RPM) has 30 more horse power than 2005 Opel Astra. (104 HP @ 6000 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 395 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 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, 1999 Opel Omega (185 Nm @ 4000 RPM) has 35 more torque (in Nm) than 2005 Opel Astra. (150 Nm @ 3900 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 1999 Opel Omega | |
| Make | Opel | Opel |
| Model | Astra | Omega |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 104 HP | 134 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 150 Nm | 185 Nm |
| Torque RPM | 3900 RPM | 4000 RPM |
| Engine Bore Size | 79 mm | 86 mm |
| Engine Stroke Size | 81.5 mm | 86 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1235 kg | 1630 kg |
| Vehicle Length | 4300 mm | 4900 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1510 mm |
| Wheelbase Size | 2700 mm | 2740 mm |
