2004 Beijing BJ 2021 vs. 2006 BMW MM Roadster
To start off, 2006 BMW MM Roadster is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 2004 Beijing BJ 2021 would be higher. At 3,245 cc (6 cylinders), 2006 BMW MM Roadster is equipped with a bigger engine. In terms of performance, 2006 BMW MM Roadster (330 HP @ 7900 RPM) has 219 more horse power than 2004 Beijing BJ 2021. (111 HP @ 4800 RPM) In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2004 Beijing BJ 2021.
Let's talk about torque, 2006 BMW MM Roadster (355 Nm @ 4900 RPM) has 175 more torque (in Nm) than 2004 Beijing BJ 2021. (180 Nm @ 3200 RPM). This means 2006 BMW MM Roadster will have an easier job in driving up hills or pulling heavy equipment than 2004 Beijing BJ 2021.
Compare all specifications:
| 2004 Beijing BJ 2021 | 2006 BMW MM Roadster | |
| Make | Beijing | BMW |
| Model | BJ 2021 | MM Roadster |
| Year Released | 2004 | 2006 |
| Engine Size | 2466 cc | 3245 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 330 HP |
| Engine RPM | 4800 RPM | 7900 RPM |
| Torque | 180 Nm | 355 Nm |
| Torque RPM | 3200 RPM | 4900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4330 mm | 4120 mm |
| Vehicle Width | 1800 mm | 1790 mm |
| Vehicle Height | 1770 mm | 1310 mm |
| Wheelbase Size | 2680 mm | 2500 mm |
