2003 Opel Signum vs. 2009 Citroen C5
To start off, 2009 Citroen C5 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 5500 RPM) has 41 more horse power than 2009 Citroen C5. (134 HP @ 6000 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2009 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 133 kg more than 2009 Citroen C5. 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 180 more torque (in Nm) than 2009 Citroen C5. (190 Nm @ 4100 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C5.
Compare all specifications:
| 2003 Opel Signum | 2009 Citroen C5 | |
| Make | Opel | Citroen |
| Model | Signum | C5 |
| Year Released | 2003 | 2009 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 134 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 370 Nm | 190 Nm |
| Torque RPM | 1900 RPM | 4100 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1575 kg | 1442 kg |
| Vehicle Length | 4640 mm | 4760 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1520 mm |
| Wheelbase Size | 2840 mm | 2760 mm |
