1976 Citroen CX vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 29 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 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (175 HP @ 4000 RPM) has 47 more horse power than 1976 Citroen CX. (128 HP @ 4800 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1976 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 295 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, 2005 Opel Signum (370 Nm @ 1900 RPM) has 173 more torque (in Nm) than 1976 Citroen CX. (197 Nm @ 3600 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1976 Citroen CX. 1976 Citroen CX has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1976 Citroen CX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1976 Citroen CX | 2005 Opel Signum | |
| Make | Citroen | Opel |
| Model | CX | Signum |
| Year Released | 1976 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2346 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 128 HP | 175 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 197 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 1900 RPM |
| Engine Bore Size | 93.5 mm | 87.5 mm |
| Engine Stroke Size | 85.5 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Top Speed | 180 km/hour | 221 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1375 kg | 1670 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 60 L |
