1991 Opel Omega vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Opel Omega. In addition, the cost of maintenance, including insurance, on 1991 Opel Omega would be higher. At 1,998 cc (4 cylinders), 1991 Opel Omega is equipped with a bigger engine. In terms of performance, 1991 Opel Omega (110 HP @ 5200 RPM) has 13 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM). In normal driving conditions, 1991 Opel Omega should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Omega weights approximately 170 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 1991 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 1991 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, 1991 Opel Omega (162 Nm @ 4600 RPM) has 20 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 1991 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 1991 Opel Omega | 2005 Opel Astra | |
| Make | Opel | Opel |
| Model | Omega | Astra |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1596 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 97 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 162 Nm | 142 Nm |
| Torque RPM | 4600 RPM | 3600 RPM |
| Engine Compression Ratio | 9.4:1 | 9.8:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1160 kg |
| Wheelbase Size | 2740 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 52 L |
