1973 Austin Allegro vs. 1990 Citroen BX
To start off, 1990 Citroen BX is newer by 17 year(s). Which means there will be less support and parts availability for 1973 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1973 Austin Allegro would be higher. At 1,998 cc (4 cylinders), 1990 Citroen BX is equipped with a bigger engine. In terms of performance, 1990 Citroen BX (123 HP @ 5500 RPM) has 65 more horse power than 1973 Austin Allegro. (58 HP @ 5300 RPM) In normal driving conditions, 1990 Citroen BX should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1990 Citroen BX weights approximately 315 kg more than 1973 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Citroen BX is four wheel drive (4WD), it will have significant more traction and grip than 1973 Austin Allegro. In wet, icy, snow, or gravel driving conditions, 1990 Citroen BX will offer significantly more control. 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, 1990 Citroen BX (173 Nm @ 4500 RPM) has 80 more torque (in Nm) than 1973 Austin Allegro. (93 Nm @ 3000 RPM). This means 1990 Citroen BX will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 1990 Citroen BX | |
| Make | Austin | Citroen |
| Model | Allegro | BX |
| Year Released | 1973 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1275 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 58 HP | 123 HP |
| Engine RPM | 5300 RPM | 5500 RPM |
| Torque | 93 Nm | 173 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 70.6 mm | 83 mm |
| Engine Stroke Size | 81.3 mm | 88 mm |
| Engine Compression Ratio | 8.8:1 | 8.4:1 |
| Top Speed | 135 km/hour | 185 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 820 kg | 1135 kg |
| Vehicle Length | 3860 mm | 4240 mm |
| Vehicle Width | 1620 mm | 1670 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2440 mm | 2660 mm |
