1978 Citroen CX vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Citroen CX. In addition, the cost of maintenance, including insurance, on 1978 Citroen CX would be higher. At 2,171 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (125 HP @ 4000 RPM) has 24 more horse power than 1978 Citroen CX. (101 HP @ 5600 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1978 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 258 kg more than 1978 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 Vectra (270 Nm @ 1500 RPM) has 109 more torque (in Nm) than 1978 Citroen CX. (161 Nm @ 3000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1978 Citroen CX.
Compare all specifications:
| 1978 Citroen CX | 2005 Opel Vectra | |
| Make | Citroen | Opel |
| Model | CX | Vectra |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 101 HP | 125 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 161 Nm | 270 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 88 mm | 98 mm |
| Engine Compression Ratio | 9.3:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1265 kg | 1523 kg |
| Vehicle Length | 4670 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1510 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
| Fuel Tank Capacity | 68 L | 61 L |
