2000 Beijing BJ 2021 vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 4 year(s). Which means there will be less support and parts availability for 2000 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 2000 Beijing BJ 2021 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 217 more horse power than 2000 Beijing BJ 2021. (111 HP @ 4800 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 2000 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 305 kg more than 2000 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2000 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 645. In wet, icy, snow, or gravel driving conditions, 2000 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, 2004 BMW 645 (451 Nm @ 3600 RPM) has 271 more torque (in Nm) than 2000 Beijing BJ 2021. (180 Nm @ 3200 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2000 Beijing BJ 2021. 2004 BMW 645 has automatic transmission and 2000 Beijing BJ 2021 has manual transmission. 2000 Beijing BJ 2021 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2000 Beijing BJ 2021 | 2004 BMW 645 | |
| Make | Beijing | BMW |
| Model | BJ 2021 | 645 |
| Year Released | 2000 | 2004 |
| Engine Size | 2466 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 111 HP | 328 HP |
| Engine RPM | 4800 RPM | 6100 RPM |
| Torque | 180 Nm | 451 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1510 kg | 1815 kg |
| Vehicle Length | 4330 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1770 mm | 1380 mm |
| Wheelbase Size | 2680 mm | 2790 mm |
