2009 Citroen C4 vs. 2001 Opel Signum
To start off, 2009 Citroen C4 is newer by 8 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 3,173 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (208 HP) has 100 more horse power than 2009 Citroen C4. (108 HP) In normal driving conditions, 2001 Opel Signum should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 273 kg more than 2009 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 (300 Nm @ 4000 RPM) has 153 more torque (in Nm) than 2009 Citroen C4. (147 Nm @ 4000 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4.
Compare all specifications:
| 2009 Citroen C4 | 2001 Opel Signum | |
| Make | Citroen | Opel |
| Model | C4 | Signum |
| Year Released | 2009 | 2001 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 208 HP |
| Torque | 147 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 189 km/hour | 237 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1337 kg | 1610 kg |
| Vehicle Length | 4280 mm | 4640 mm |
| Vehicle Width | 1460 mm | 1800 mm |
| Vehicle Height | 1770 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2640 mm |
| Fuel Consumption Overall | 7.1 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
