2001 Beijing BJ 2020 vs. 1975 BMW 520
To start off, 2001 Beijing BJ 2020 is newer by 26 year(s). Which means there will be less support and parts availability for 1975 BMW 520. In addition, the cost of maintenance, including insurance, on 1975 BMW 520 would be higher. At 2,445 cc (4 cylinders), 2001 Beijing BJ 2020 is equipped with a bigger engine. In terms of performance, 1975 BMW 520 (123 HP @ 5700 RPM) has 37 more horse power than 2001 Beijing BJ 2020. (86 HP @ 3800 RPM) In normal driving conditions, 1975 BMW 520 should accelerate faster than 2001 Beijing BJ 2020. With that said, vehicle weight also plays an important factor in acceleration. 2001 Beijing BJ 2020 weights approximately 285 kg more than 1975 BMW 520.
Because 2001 Beijing BJ 2020 is four wheel drive (4WD), it will have significant more traction and grip than 1975 BMW 520. In wet, icy, snow, or gravel driving conditions, 2001 Beijing BJ 2020 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, 2001 Beijing BJ 2020 (173 Nm @ 3000 RPM) has 1 more torque (in Nm) than 1975 BMW 520. (172 Nm @ 4350 RPM). This means 2001 Beijing BJ 2020 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520.
Compare all specifications:
| 2001 Beijing BJ 2020 | 1975 BMW 520 | |
| Make | Beijing | BMW |
| Model | BJ 2020 | 520 |
| Year Released | 2001 | 1975 |
| Engine Size | 2445 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 86 HP | 123 HP |
| Engine RPM | 3800 RPM | 5700 RPM |
| Torque | 173 Nm | 172 Nm |
| Torque RPM | 3000 RPM | 4350 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1580 kg | 1295 kg |
| Vehicle Length | 4020 mm | 4630 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1950 mm | 1430 mm |
| Wheelbase Size | 2310 mm | 2640 mm |
