2006 Citroen C8 vs. 2004 Opel Signum
To start off, 2006 Citroen C8 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,230 cc (4 cylinders), 2006 Citroen C8 is equipped with a bigger engine. In terms of performance, 2006 Citroen C8 (157 HP @ 5650 RPM) has 32 more horse power than 2004 Opel Signum. (125 HP @ 5600 RPM). In normal driving conditions, 2006 Citroen C8 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C8 weights approximately 268 kg more than 2004 Opel Signum. 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 Citroen C8 (217 Nm @ 3900 RPM) has 47 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 2006 Citroen C8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2006 Citroen C8 | 2004 Opel Signum | |
| Make | Citroen | Opel |
| Model | C8 | Signum |
| Year Released | 2006 | 2004 |
| Body Type | Minivan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2230 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 157 HP | 125 HP |
| Engine RPM | 5650 RPM | 5600 RPM |
| Torque | 217 Nm | 170 Nm |
| Torque RPM | 3900 RPM | 3800 RPM |
| Engine Bore Size | 86 mm | 80.5 mm |
| Engine Stroke Size | 96 mm | 88.2 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 196 km/hour | 197 km/hour |
| Drive Type | Front | Front |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1648 kg | 1380 kg |
| Vehicle Length | 4730 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1760 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2700 mm |
| Fuel Consumption Overall | 9.7 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 80 L | 58 L |
