1989 Beijing BJ 2021 vs. 1954 Rover P4
To start off, 1989 Beijing BJ 2021 is newer by 35 year(s). Which means there will be less support and parts availability for 1954 Rover P4. In addition, the cost of maintenance, including insurance, on 1954 Rover P4 would be higher. At 2,466 cc (4 cylinders), 1989 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 1989 Beijing BJ 2021 (101 HP @ 5000 RPM) has 27 more horse power than 1954 Rover P4. (74 HP @ 4200 RPM). In normal driving conditions, 1989 Beijing BJ 2021 should accelerate faster than 1954 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1989 Beijing BJ 2021 weights approximately 90 kg more than 1954 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1989 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1954 Rover P4. In wet, icy, snow, or gravel driving conditions, 1989 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, 1989 Beijing BJ 2021 (179 Nm @ 2800 RPM) has 29 more torque (in Nm) than 1954 Rover P4. (150 Nm @ 2500 RPM). This means 1989 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1954 Rover P4.
Compare all specifications:
| 1989 Beijing BJ 2021 | 1954 Rover P4 | |
| Make | Beijing | Rover |
| Model | BJ 2021 | P4 |
| Year Released | 1989 | 1954 |
| Engine Size | 2466 cc | 2103 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 74 HP |
| Engine RPM | 5000 RPM | 4200 RPM |
| Torque | 179 Nm | 150 Nm |
| Torque RPM | 2800 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1480 kg | 1390 kg |
| Vehicle Length | 4290 mm | 4590 mm |
| Vehicle Width | 1800 mm | 1670 mm |
| Vehicle Height | 1620 mm | 1630 mm |
| Wheelbase Size | 2580 mm | 2830 mm |
