2006 Citroen C8 vs. 2005 Opel Signum
To start off, 2006 Citroen C8 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 102 more horse power than 2006 Citroen C8. (106 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 2006 Citroen C8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C8 weights approximately 133 kg more than 2005 Opel Signum.
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 Signum (300 Nm @ 4000 RPM) has 30 more torque (in Nm) than 2006 Citroen C8. (270 Nm @ 1750 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen C8.
Compare all specifications:
| 2006 Citroen C8 | 2005 Opel Signum | |
| Make | Citroen | Opel |
| Model | C8 | Signum |
| Year Released | 2006 | 2005 |
| Body Type | Minivan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3174 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 106 HP | 208 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 270 Nm | 300 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 87.5 mm |
| Engine Stroke Size | 88 mm | 88 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 174 km/hour | 237 km/hour |
| Acceleration 0-100mph | 14.6 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1743 kg | 1610 kg |
| Vehicle Length | 4730 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1760 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2840 mm |
| Fuel Consumption Overall | 7.2 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
