2006 Opel Signum vs. 1998 Opel Astra
To start off, 2006 Opel Signum is newer by 8 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 2,198 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (153 HP @ 5600 RPM) has 79 more horse power than 1998 Opel Astra. (74 HP @ 4500 RPM). In normal driving conditions, 2006 Opel Signum should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 365 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2006 Opel Signum (220 Nm @ 3800 RPM) has 53 more torque (in Nm) than 1998 Opel Astra. (167 Nm @ 1800 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Astra.
Compare all specifications:
| 2006 Opel Signum | 1998 Opel Astra | |
| Make | Opel | Opel |
| Model | Signum | Astra |
| Year Released | 2006 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 74 HP |
| Engine RPM | 5600 RPM | 4500 RPM |
| Torque | 220 Nm | 167 Nm |
| Torque RPM | 3800 RPM | 1800 RPM |
| Engine Bore Size | 86 mm | 80 mm |
| Engine Stroke Size | 94.6 mm | 86 mm |
| Engine Compression Ratio | 12.0:1 | 18.4:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1535 kg | 1170 kg |
| Vehicle Length | 4640 mm | 4060 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2650 mm |
| Fuel Tank Capacity | 60 L | 53 L |
