2009 Citroen C5 vs. 2003 Opel Signum
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 @ 4000 RPM) has 52 more horse power than 2009 Citroen C5. (123 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 46 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 (371 Nm @ 1900 RPM) has 201 more torque (in Nm) than 2009 Citroen C5. (170 Nm @ 3750 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C5. 2003 Opel Signum has automatic transmission and 2009 Citroen C5 has manual transmission. 2009 Citroen C5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Citroen C5 | 2003 Opel Signum | |
| Make | Citroen | Opel |
| Model | C5 | Signum |
| Year Released | 2009 | 2003 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1748 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 170 Nm | 371 Nm |
| Torque RPM | 3750 RPM | 1900 RPM |
| Engine Bore Size | 83 mm | 87.5 mm |
| Engine Stroke Size | 81 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 196 km/hour | 221 km/hour |
| Acceleration 0-100mph | 12.8 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1624 kg | 1670 kg |
| Vehicle Length | 4840 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1520 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2700 mm |
| Fuel Consumption Overall | 8.1 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 71 L | 60 L |
