1998 Opel Astra vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 1 year(s). Which means there will be less support and parts availability for 1998 Opel Astra. In addition, the cost of maintenance, including insurance, on 1998 Opel Astra would be higher. At 2,196 cc (4 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (142 HP @ 5800 RPM) has 57 more horse power than 1998 Opel Astra. (85 HP @ 4400 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 375 kg more than 1998 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, 1998 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 (203 Nm @ 4000 RPM) has 15 more torque (in Nm) than 1998 Opel Astra. (188 Nm @ 1800 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Astra.
Compare all specifications:
| 1998 Opel Astra | 1999 Opel Omega | |
| Make | Opel | Opel |
| Model | Astra | Omega |
| Year Released | 1998 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 142 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Torque | 188 Nm | 203 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 94.6 mm |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1290 kg | 1665 kg |
| Vehicle Length | 4060 mm | 4900 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1550 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
| Fuel Tank Capacity | 44 L | 75 L |
