2006 Opel Signum vs. 2005 Opel Astra
To start off, 2006 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. Both 2006 Opel Signum and 2005 Opel Astra are equipped with a 1,796 cc engine. In terms of performance, 2005 Opel Astra (123 HP @ 5600 RPM) has 3 more horse power than 2006 Opel Signum. (120 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 335 kg more than 2005 Opel Astra.
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, 2005 Opel Astra (170 Nm @ 3800 RPM) has 2 more torque (in Nm) than 2006 Opel Signum. (168 Nm @ 3800 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2006 Opel Signum | 2005 Opel Astra | |
| Make | Opel | Opel |
| Model | Signum | Astra |
| Year Released | 2006 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 123 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 168 Nm | 170 Nm |
| Torque RPM | 3800 RPM | 3800 RPM |
| Top Speed | 197 km/hour | 205 km/hour |
| Acceleration 0-100mph | 12.2 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1480 kg | 1145 kg |
| Wheelbase Size | 2840 mm | 2610 mm |
| Fuel Consumption Overall | 7.9 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
