2007 Citroen C6 vs. 1998 Opel Signum
To start off, 2007 Citroen C6 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Opel Signum. In addition, the cost of maintenance, including insurance, on 1998 Opel Signum would be higher. At 2,179 cc (4 cylinders), 2007 Citroen C6 is equipped with a bigger engine. In terms of performance, 2007 Citroen C6 (168 HP @ 4000 RPM) has 48 more horse power than 1998 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2007 Citroen C6 should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C6 weights approximately 415 kg more than 1998 Opel Signum. 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, 2007 Citroen C6 (370 Nm @ 1500 RPM) has 203 more torque (in Nm) than 1998 Opel Signum. (167 Nm @ 3800 RPM). This means 2007 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 2007 Citroen C6 | 1998 Opel Signum | |
| Make | Citroen | Opel |
| Model | C6 | Signum |
| Year Released | 2007 | 1998 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2179 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 120 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 370 Nm | 167 Nm |
| Torque RPM | 1500 RPM | 3800 RPM |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 10.3 seconds | 12.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1895 kg | 1480 kg |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2910 mm | 2740 mm |
| Fuel Consumption Overall | 6.6 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 72 L | 60 L |
