1976 Citroen CX vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 27 year(s). Which means there will be less support and parts availability for 1976 Citroen CX. In addition, the cost of maintenance, including insurance, on 1976 Citroen CX would be higher. At 2,346 cc (4 cylinders), 1976 Citroen CX is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (152 HP @ 5600 RPM) has 24 more horse power than 1976 Citroen CX. (128 HP @ 4800 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1976 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 190 kg more than 1976 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, 2003 Opel Signum (220 Nm @ 3800 RPM) has 23 more torque (in Nm) than 1976 Citroen CX. (197 Nm @ 3600 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1976 Citroen CX.
Compare all specifications:
| 1976 Citroen CX | 2003 Opel Signum | |
| Make | Citroen | Opel |
| Model | CX | Signum |
| Year Released | 1976 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2346 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 152 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 197 Nm | 220 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Engine Bore Size | 93.5 mm | 86 mm |
| Engine Stroke Size | 85.5 mm | 94.6 mm |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Top Speed | 180 km/hour | 206 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1375 kg | 1565 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Tank Capacity | 68 L | 60 L |
