1998 Beijing BJ 2021 vs. 1981 BMW 525
To start off, 1998 Beijing BJ 2021 is newer by 17 year(s). Which means there will be less support and parts availability for 1981 BMW 525. In addition, the cost of maintenance, including insurance, on 1981 BMW 525 would be higher. At 2,495 cc (6 cylinders), 1981 BMW 525 is equipped with a bigger engine. In terms of performance, 1981 BMW 525 (148 HP @ 5500 RPM) has 48 more horse power than 1998 Beijing BJ 2021. (100 HP @ 5000 RPM) In normal driving conditions, 1981 BMW 525 should accelerate faster than 1998 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 1998 Beijing BJ 2021 weights approximately 200 kg more than 1981 BMW 525.
Because 1998 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 525. In wet, icy, snow, or gravel driving conditions, 1998 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, 1981 BMW 525 (215 Nm @ 4000 RPM) has 36 more torque (in Nm) than 1998 Beijing BJ 2021. (179 Nm @ 2800 RPM). This means 1981 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1998 Beijing BJ 2021.
Compare all specifications:
| 1998 Beijing BJ 2021 | 1981 BMW 525 | |
| Make | Beijing | BMW |
| Model | BJ 2021 | 525 |
| Year Released | 1998 | 1981 |
| Engine Size | 2466 cc | 2495 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 148 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 179 Nm | 215 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1480 kg | 1280 kg |
| Vehicle Length | 4290 mm | 4780 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1620 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2630 mm |
