1978 Citroen CX vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 31 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 1,998 cc (4 cylinders), 2009 Opel Astra is equipped with a bigger engine. In terms of performance, 2009 Opel Astra (239 HP @ 5600 RPM) has 138 more horse power than 1978 Citroen CX. (101 HP @ 5600 RPM) In normal driving conditions, 2009 Opel Astra should accelerate faster than 1978 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Opel Astra weights approximately 128 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, 2009 Opel Astra (320 Nm @ 2400 RPM) has 159 more torque (in Nm) than 1978 Citroen CX. (161 Nm @ 3000 RPM). This means 2009 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1978 Citroen CX.
Compare all specifications:
| 1978 Citroen CX | 2009 Opel Astra | |
| Make | Citroen | Opel |
| Model | CX | Astra |
| Year Released | 1978 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 101 HP | 239 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 161 Nm | 320 Nm |
| Torque RPM | 3000 RPM | 2400 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1265 kg | 1393 kg |
| Vehicle Length | 4670 mm | 4300 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1370 mm | 1410 mm |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 52 L |
