2005 Opel Astra vs. 1998 Opel Omega
To start off, 2005 Opel Astra is newer by 7 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, 2005 Opel Astra (123 HP @ 5600 RPM) has 9 more horse power than 1998 Opel Omega. (114 HP @ 5400 RPM). In normal driving conditions, 2005 Opel Astra should accelerate faster than 1998 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Omega weights approximately 165 kg more than 2005 Opel Astra.
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, 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, 1998 Opel Omega (178 Nm @ 2800 RPM) has 8 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 1998 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 | 1998 Opel Omega | |
| Make | Opel | Opel |
| Model | Astra | Omega |
| Year Released | 2005 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 114 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 170 Nm | 178 Nm |
| Torque RPM | 3800 RPM | 2800 RPM |
| Engine Bore Size | 80.5 mm | 86 mm |
| Engine Stroke Size | 88.2 mm | 86 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1265 kg | 1430 kg |
| Vehicle Length | 4300 mm | 4770 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2740 mm |
| Fuel Tank Capacity | 52 L | 60 L |
