2005 Opel Astra vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 3 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. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (175 HP @ 4000 RPM) has 30 more horse power than 2005 Opel Astra. (145 HP @ 5800 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 372 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.
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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 167 more torque (in Nm) than 2005 Opel Astra. (203 Nm @ 4000 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
2005 Opel Astra | 2008 Opel Signum | |
Make | Opel | Opel |
Model | Astra | Signum |
Year Released | 2005 | 2008 |
Engine Position | Front | Front |
Engine Size | 2198 cc | 2957 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 145 HP | 175 HP |
Engine RPM | 5800 RPM | 4000 RPM |
Torque | 203 Nm | 370 Nm |
Torque RPM | 4000 RPM | 1900 RPM |
Engine Compression Ratio | 10.0:1 | 18.5:1 |
Fuel Type | Gasoline - Premium | Diesel |
Top Speed | 213 km/hour | 221 km/hour |
Acceleration 0-100mph | 8.8 seconds | 9.4 seconds |
Drive Type | Front | Front |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1298 kg | 1670 kg |
Vehicle Length | 4270 mm | 4640 mm |
Vehicle Width | 1720 mm | 1800 mm |
Vehicle Height | 1400 mm | 1470 mm |
Wheelbase Size | 2620 mm | 2840 mm |
Fuel Consumption Overall | 8.4 L/100km | 7.4 L/100km |
Fuel Tank Capacity | 52 L | 60 L |