2006 BMW MM Roadster vs. 2009 BMW 750
To start off, 2009 BMW 750 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW MM Roadster. In addition, the cost of maintenance, including insurance, on 2006 BMW MM Roadster would be higher. At 4,799 cc (8 cylinders), 2009 BMW 750 is equipped with a bigger engine. In terms of performance, 2009 BMW 750 (363 HP @ 6300 RPM) has 33 more horse power than 2006 BMW MM Roadster. (330 HP @ 7900 RPM) In normal driving conditions, 2009 BMW 750 should accelerate faster than 2006 BMW MM Roadster.
Let's talk about torque, 2009 BMW 750 (490 Nm @ 3400 RPM) has 135 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 2009 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW MM Roadster.
Compare all specifications:
| 2006 BMW MM Roadster | 2009 BMW 750 | |
| Make | BMW | BMW |
| Model | MM Roadster | 750 |
| Year Released | 2006 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 363 HP |
| Engine RPM | 7900 RPM | 6300 RPM |
| Torque | 355 Nm | 490 Nm |
| Torque RPM | 4900 RPM | 3400 RPM |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4120 mm | 5190 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 3130 mm |
| Fuel Consumption City | 13.1 L/100km | 16.9 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
