2001 Beijing BJ 2021 vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 2001 Beijing BJ 2021 would be higher. At 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (228 HP @ 5900 RPM) has 117 more horse power than 2001 Beijing BJ 2021. (111 HP @ 4800 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2001 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2001 Beijing BJ 2021 weights approximately 145 kg more than 2006 BMW Z4.
Because 2001 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2001 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 Z4 (301 Nm @ 3500 RPM) has 121 more torque (in Nm) than 2001 Beijing BJ 2021. (180 Nm @ 3200 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Beijing BJ 2021.
Compare all specifications:
| 2001 Beijing BJ 2021 | 2006 BMW Z4 | |
| Make | Beijing | BMW |
| Model | BJ 2021 | Z4 |
| Year Released | 2001 | 2006 |
| Engine Size | 2466 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 228 HP |
| Engine RPM | 4800 RPM | 5900 RPM |
| Torque | 180 Nm | 301 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1510 kg | 1365 kg |
| Vehicle Length | 4330 mm | 4100 mm |
| Vehicle Width | 1800 mm | 1790 mm |
| Vehicle Height | 1770 mm | 1310 mm |
| Wheelbase Size | 2680 mm | 2500 mm |
