1976 Citroen CX vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 31 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 2,196 cc (4 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (153 HP @ 5600 RPM) has 47 more horse power than 1976 Citroen CX. (106 HP @ 5500 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1976 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 270 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, 2007 Opel Signum (220 Nm @ 3800 RPM) has 59 more torque (in Nm) than 1976 Citroen CX. (161 Nm @ 3000 RPM). This means 2007 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 | 2007 Opel Signum | |
| Make | Citroen | Opel |
| Model | CX | Signum |
| Year Released | 1976 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1985 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 106 HP | 153 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 161 Nm | 220 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 88 mm | 94.6 mm |
| Engine Compression Ratio | 9.3:1 | 12.0:1 |
| 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 | 1535 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Tank Capacity | 68 L | 60 L |
