1993 Beijing BJ 2021 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 13 year(s). Which means there will be less support and parts availability for 1993 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1993 Beijing BJ 2021 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 138 more horse power than 1993 Beijing BJ 2021. (190 HP @ 4750 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1993 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 316 kg more than 1993 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1993 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 1993 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 145 more torque (in Nm) than 1993 Beijing BJ 2021. (305 Nm @ 4000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1993 Beijing BJ 2021.
Compare all specifications:
| 1993 Beijing BJ 2021 | 2006 BMW 645 | |
| Make | Beijing | BMW |
| Model | BJ 2021 | 645 |
| Year Released | 1993 | 2006 |
| Engine Size | 3962 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 190 HP | 328 HP |
| Engine RPM | 4750 RPM | 6100 RPM |
| Torque | 305 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1520 kg | 1836 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 |
