2001 Opel Signum vs. 2010 Citroen C4
To start off, 2010 Citroen C4 is newer by 9 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 1,994 cc (4 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (144 HP @ 4000 RPM) has 55 more horse power than 2010 Citroen C4. (89 HP @ 4000 RPM). In normal driving conditions, 2001 Opel Signum should accelerate faster than 2010 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 66 kg more than 2010 Citroen C4. 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, 2001 Opel Signum (220 Nm @ 2000 RPM) has 5 more torque (in Nm) than 2010 Citroen C4. (215 Nm @ 1750 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2010 Citroen C4.
Compare all specifications:
| 2001 Opel Signum | 2010 Citroen C4 | |
| Make | Opel | Citroen |
| Model | Signum | C4 |
| Year Released | 2001 | 2010 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1560 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 144 HP | 89 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 220 Nm | 215 Nm |
| Torque RPM | 2000 RPM | 1750 RPM |
| Engine Bore Size | 82 mm | 75 mm |
| Engine Stroke Size | 90.4 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 18.0:1 |
| Top Speed | 209 km/hour | 180 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 14.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1398 kg | 1332 kg |
| Vehicle Length | 4640 mm | 4270 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Tank Capacity | 60 L | 60 L |
