1976 Citroen CX vs. 2007 Opel Astra
To start off, 2007 Opel Astra 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 1,997 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (197 HP @ 5400 RPM) has 91 more horse power than 1976 Citroen CX. (106 HP @ 5500 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1976 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 120 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 Astra (262 Nm @ 4200 RPM) has 101 more torque (in Nm) than 1976 Citroen CX. (161 Nm @ 3000 RPM). This means 2007 Opel Astra 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 Astra | |
| Make | Citroen | Opel |
| Model | CX | Astra |
| Year Released | 1976 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1985 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 106 HP | 197 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 161 Nm | 262 Nm |
| Torque RPM | 3000 RPM | 4200 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 - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1265 kg | 1385 kg |
| Vehicle Length | 4670 mm | 4260 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 52 L |
