1987 Citroen AX vs. 1956 Rover P4
To start off, 1987 Citroen AX is newer by 31 year(s). Which means there will be less support and parts availability for 1956 Rover P4. In addition, the cost of maintenance, including insurance, on 1956 Rover P4 would be higher. At 2,636 cc (6 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 1956 Rover P4 (108 HP @ 4250 RPM) has 33 more horse power than 1987 Citroen AX. (75 HP @ 5800 RPM) In normal driving conditions, 1956 Rover P4 should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 623 kg more than 1987 Citroen AX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Citroen AX is four wheel drive (4WD), it will have significant more traction and grip than 1956 Rover P4. In wet, icy, snow, or gravel driving conditions, 1987 Citroen AX 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, 1956 Rover P4 (206 Nm) has 96 more torque (in Nm) than 1987 Citroen AX. (110 Nm). This means 1956 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 1987 Citroen AX | 1956 Rover P4 | |
| Make | Citroen | Rover |
| Model | AX | P4 |
| Year Released | 1987 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 1358 cc | 2636 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 108 HP |
| Engine RPM | 5800 RPM | 4250 RPM |
| Torque | 110 Nm | 206 Nm |
| Engine Bore Size | 75 mm | 73 mm |
| Engine Stroke Size | 77 mm | 105 mm |
| Top Speed | 167 km/hour | 153 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 825 kg | 1448 kg |
| Vehicle Length | 3540 mm | 4530 mm |
| Vehicle Width | 1580 mm | 1670 mm |
| Vehicle Height | 1350 mm | 1320 mm |
| Wheelbase Size | 2290 mm | 2830 mm |
