1979 Citroen CX vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Citroen CX. In addition, the cost of maintenance, including insurance, on 1979 Citroen CX would be higher. At 1,995 cc (4 cylinders), 1979 Citroen CX is equipped with a bigger engine. In terms of performance, 1979 Citroen CX (106 HP @ 5500 RPM) has 7 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1979 Citroen CX should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 370 kg more than 1979 Citroen CX.
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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 71 more torque (in Nm) than 1979 Citroen CX. (159 Nm @ 3250 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1979 Citroen CX.
Compare all specifications:
| 1979 Citroen CX | 2005 Opel Signum | |
| Make | Citroen | Opel |
| Model | CX | Signum |
| Year Released | 1979 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 106 HP | 99 HP |
| Engine RPM | 5500 RPM | 3120 RPM |
| Torque | 159 Nm | 230 Nm |
| Torque RPM | 3250 RPM | 1500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 85.5 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 175 km/hour | 185 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1225 kg | 1595 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2740 mm |
| Fuel Consumption Overall | 5.2 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
