2007 Citroen C5 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Citroen C5. In addition, the cost of maintenance, including insurance, on 2007 Citroen C5 would be higher. At 2,179 cc (4 cylinders), 2007 Citroen C5 is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (173 HP @ 5500 RPM) has 5 more horse power than 2007 Citroen C5. (168 HP @ 4000 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2007 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C5 weights approximately 91 kg more than 2008 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, 2007 Citroen C5 (370 Nm @ 1500 RPM) has 105 more torque (in Nm) than 2008 Opel Signum. (265 Nm @ 2500 RPM). This means 2007 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2007 Citroen C5 | 2008 Opel Signum | |
| Make | Citroen | Opel |
| Model | C5 | Signum |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2179 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 173 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 370 Nm | 265 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Compression Ratio | 17.6:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 217 km/hour | 220 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1651 kg | 1560 kg |
| Vehicle Length | 4750 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2840 mm |
| Fuel Consumption Overall | 6.1 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 66 L | 60 L |
