2006 BMW MM Roadster vs. 2011 Infiniti QX56
To start off, 2011 Infiniti QX56 is newer by 5 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 5,600 cc (8 cylinders), 2011 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2011 Infiniti QX56 (400 HP @ 5800 RPM) has 70 more horse power than 2006 BMW MM Roadster. (330 HP @ 7900 RPM) In normal driving conditions, 2011 Infiniti QX56 should accelerate faster than 2006 BMW MM Roadster.
Let's talk about torque, 2011 Infiniti QX56 (559 Nm @ 4000 RPM) has 204 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 2011 Infiniti QX56 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 | 2011 Infiniti QX56 | |
| Make | BMW | Infiniti |
| Model | MM Roadster | QX56 |
| Year Released | 2006 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 5600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 400 HP |
| Engine RPM | 7900 RPM | 5800 RPM |
| Torque | 355 Nm | 559 Nm |
| Torque RPM | 4900 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4120 mm | 5291 mm |
| Vehicle Width | 1790 mm | 2029 mm |
| Vehicle Height | 1310 mm | 1925 mm |
| Wheelbase Size | 2500 mm | 3076 mm |
| Fuel Consumption | 8.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 55 L | 98 L |
