1977 Citroen CX vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 27 year(s). Which means there will be less support and parts availability for 1977 Citroen CX. In addition, the cost of maintenance, including insurance, on 1977 Citroen CX would be higher. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 102 more horse power than 1977 Citroen CX. (106 HP @ 5500 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1977 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 330 kg more than 1977 Citroen CX. 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, 2004 Opel Signum (300 Nm @ 4000 RPM) has 139 more torque (in Nm) than 1977 Citroen CX. (161 Nm @ 3000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1977 Citroen CX.
Compare all specifications:
| 1977 Citroen CX | 2004 Opel Signum | |
| Make | Citroen | Opel |
| Model | CX | Signum |
| Year Released | 1977 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1985 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 106 HP | 208 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 161 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 87.5 mm |
| Engine Stroke Size | 88 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1265 kg | 1595 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2740 mm |
| Fuel Tank Capacity | 68 L | 52 L |
