1989 Beijing BJ 2021 vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 18 year(s). Which means there will be less support and parts availability for 1989 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1989 Beijing BJ 2021 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 227 more horse power than 1989 Beijing BJ 2021. (101 HP @ 5000 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 1989 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 210 kg more than 1989 Beijing BJ 2021. 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 2007 BMW 645. 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 271 more torque (in Nm) than 1989 Beijing BJ 2021. (179 Nm @ 2800 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1989 Beijing BJ 2021.
Compare all specifications:
| 1989 Beijing BJ 2021 | 2007 BMW 645 | |
| Make | Beijing | BMW |
| Model | BJ 2021 | 645 |
| Year Released | 1989 | 2007 |
| Engine Size | 2466 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 101 HP | 328 HP |
| Engine RPM | 5000 RPM | 6100 RPM |
| Torque | 179 Nm | 450 Nm |
| Torque RPM | 2800 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1480 kg | 1690 kg |
| Vehicle Length | 4290 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1620 mm | 1380 mm |
| Wheelbase Size | 2580 mm | 2790 mm |
