1981 Citroen CX vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Citroen CX. In addition, the cost of maintenance, including insurance, on 1981 Citroen CX would be higher. At 2,791 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (276 HP @ 5500 RPM) has 171 more horse power than 1981 Citroen CX. (105 HP @ 5500 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 1981 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 388 kg more than 1981 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 Vectra (355 Nm @ 1800 RPM) has 203 more torque (in Nm) than 1981 Citroen CX. (152 Nm @ 3250 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1981 Citroen CX.
Compare all specifications:
| 1981 Citroen CX | 2007 Opel Vectra | |
| Make | Citroen | Opel |
| Model | CX | Vectra |
| Year Released | 1981 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 276 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 152 Nm | 355 Nm |
| Torque RPM | 3250 RPM | 1800 RPM |
| Engine Bore Size | 86 mm | 89 mm |
| Engine Stroke Size | 85.5 mm | 74.8 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 175 km/hour | 250 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 | 1613 kg |
| Vehicle Length | 4670 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1490 mm |
| Wheelbase Size | 2750 mm | 2840 mm |
| Fuel Consumption Overall | 5.2 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 80 L | 61 L |
