1987 Citroen BX vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 1987 Citroen BX. In addition, the cost of maintenance, including insurance, on 1987 Citroen BX would be higher. At 1,905 cc (4 cylinders), 1987 Citroen BX is equipped with a bigger engine. In terms of performance, 1987 Citroen BX (160 HP @ 6500 RPM) has 78 more horse power than 1991 Opel Astra. (82 HP @ 5800 RPM). In normal driving conditions, 1987 Citroen BX should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1987 Citroen BX weights approximately 133 kg more than 1991 Opel Astra. 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, 1987 Citroen BX (180 Nm @ 5000 RPM) has 67 more torque (in Nm) than 1991 Opel Astra. (113 Nm @ 3400 RPM). This means 1987 Citroen BX will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1987 Citroen BX | 1991 Opel Astra | |
| Make | Citroen | Opel |
| Model | BX | Astra |
| Year Released | 1987 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 1388 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 160 HP | 82 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 180 Nm | 113 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Engine Bore Size | 83 mm | 77.6 mm |
| Engine Stroke Size | 88 mm | 73.4 mm |
| Engine Compression Ratio | 10.4:1 | 9.4:1 |
| Top Speed | 217 km/hour | 171 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1073 kg | 940 kg |
| Vehicle Length | 4250 mm | 4060 mm |
| Vehicle Width | 1680 mm | 1690 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
