2004 Citroen C5 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Citroen C5. In addition, the cost of maintenance, including insurance, on 2004 Citroen C5 would be higher. At 2,946 cc (6 cylinders), 2004 Citroen C5 is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (153 HP @ 5600 RPM) has 94 more horse power than 2004 Citroen C5. (59 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 2004 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2004 Citroen C5 weights approximately 84 kg more than 2007 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 Opel Signum (220 Nm @ 3800 RPM) has 108 more torque (in Nm) than 2004 Citroen C5. (112 Nm @ 3750 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Citroen C5.
Compare all specifications:
| 2004 Citroen C5 | 2007 Opel Signum | |
| Make | Citroen | Opel |
| Model | C5 | Signum |
| Year Released | 2004 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2946 cc | 2196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 59 HP | 153 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 112 Nm | 220 Nm |
| Torque RPM | 3750 RPM | 3800 RPM |
| Engine Compression Ratio | 10.9:1 | 12.0:1 |
| Top Speed | 222 km/hour | 211 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1619 kg | 1535 kg |
| Vehicle Length | 4850 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1530 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2840 mm |
| Fuel Consumption | 7.2 L/100km | 7.2 L/100km |
| Fuel Consumption City | 14.7 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 10 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 66 L | 60 L |
