1987 Beijing BJ 2021 vs. 1956 Rover P4
To start off, 1987 Beijing BJ 2021 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 2,638 cc (6 cylinders), 1956 Rover P4 is equipped with a bigger engine. In terms of performance, 1956 Rover P4 (108 HP @ 4250 RPM) has 7 more horse power than 1987 Beijing BJ 2021. (101 HP @ 5000 RPM) In normal driving conditions, 1956 Rover P4 should accelerate faster than 1987 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 1956 Rover P4 weights approximately 6 kg more than 1987 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Beijing BJ 2021 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 Beijing BJ 2021 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 @ 2500 RPM) has 27 more torque (in Nm) than 1987 Beijing BJ 2021. (179 Nm @ 2800 RPM). This means 1956 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Beijing BJ 2021. 1956 Rover P4 has automatic transmission and 1987 Beijing BJ 2021 has manual transmission. 1987 Beijing BJ 2021 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1956 Rover P4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Beijing BJ 2021 | 1956 Rover P4 | |
| Make | Beijing | Rover |
| Model | BJ 2021 | P4 |
| Year Released | 1987 | 1956 |
| Engine Size | 2466 cc | 2638 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 108 HP |
| Engine RPM | 5000 RPM | 4250 RPM |
| Torque | 179 Nm | 206 Nm |
| Torque RPM | 2800 RPM | 2500 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1480 kg | 1486 kg |
| Vehicle Length | 4290 mm | 4530 mm |
| Vehicle Width | 1800 mm | 1670 mm |
| Vehicle Height | 1620 mm | 1320 mm |
| Wheelbase Size | 2580 mm | 2830 mm |
