2003 Beijing BJ 2021 vs. 1973 Rover P5B
To start off, 2003 Beijing BJ 2021 is newer by 30 year(s). Which means there will be less support and parts availability for 1973 Rover P5B. In addition, the cost of maintenance, including insurance, on 1973 Rover P5B would be higher. At 3,526 cc (8 cylinders), 1973 Rover P5B is equipped with a bigger engine. In terms of performance, 1973 Rover P5B (158 HP @ 5200 RPM) has 47 more horse power than 2003 Beijing BJ 2021. (111 HP @ 4800 RPM) In normal driving conditions, 1973 Rover P5B should accelerate faster than 2003 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 1973 Rover P5B weights approximately 80 kg more than 2003 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Rover P5B. In wet, icy, snow, or gravel driving conditions, 2003 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, 1973 Rover P5B (295 Nm @ 3000 RPM) has 115 more torque (in Nm) than 2003 Beijing BJ 2021. (180 Nm @ 3200 RPM). This means 1973 Rover P5B will have an easier job in driving up hills or pulling heavy equipment than 2003 Beijing BJ 2021. 1973 Rover P5B has automatic transmission and 2003 Beijing BJ 2021 has manual transmission. 2003 Beijing BJ 2021 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Rover P5B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Beijing BJ 2021 | 1973 Rover P5B | |
| Make | Beijing | Rover |
| Model | BJ 2021 | P5B |
| Year Released | 2003 | 1973 |
| Engine Size | 2464 cc | 3526 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 158 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 180 Nm | 295 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1510 kg | 1590 kg |
| Vehicle Length | 4330 mm | 4750 mm |
| Vehicle Width | 1800 mm | 1790 mm |
| Vehicle Height | 1770 mm | 1550 mm |
| Wheelbase Size | 2680 mm | 2820 mm |
