1998 Beijing BJ 2021 vs. 1977 BMW 728
To start off, 1998 Beijing BJ 2021 is newer by 21 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 59 more horse power than 1998 Beijing BJ 2021. (111 HP @ 4800 RPM) In normal driving conditions, 1977 BMW 728 should accelerate faster than 1998 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 26 kg more than 1998 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 728. 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 55 more torque (in Nm) than 1998 Beijing BJ 2021. (180 Nm @ 3200 RPM). This means 1977 BMW 728 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 | 1977 BMW 728 | |
| Make | Beijing | BMW |
| Model | BJ 2021 | 728 |
| Year Released | 1998 | 1977 |
| Engine Size | 2465 cc | 2788 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 170 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 180 Nm | 235 Nm |
| Torque RPM | 3200 RPM | 3700 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1510 kg | 1536 kg |
| Vehicle Length | 4330 mm | 4870 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1770 mm | 1440 mm |
| Wheelbase Size | 2680 mm | 2800 mm |
