2007 BMW X5 vs. 2006 BMW MM Roadster
To start off, 2007 BMW X5 is newer by 1 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 4,398 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW MM Roadster (330 HP @ 7900 RPM) has 47 more horse power than 2007 BMW X5. (283 HP @ 3600 RPM) In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2007 BMW X5.
Let's talk about torque, 2007 BMW X5 (440 Nm @ 5400 RPM) has 85 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW MM Roadster.
Compare all specifications:
| 2007 BMW X5 | 2006 BMW MM Roadster | |
| Make | BMW | BMW |
| Model | X5 | MM Roadster |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3245 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 283 HP | 330 HP |
| Engine RPM | 3600 RPM | 7900 RPM |
| Torque | 440 Nm | 355 Nm |
| Torque RPM | 5400 RPM | 4900 RPM |
| Engine Compression Ratio | 10.0:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4670 mm | 4120 mm |
| Vehicle Width | 1880 mm | 1790 mm |
| Vehicle Height | 1710 mm | 1310 mm |
| Wheelbase Size | 2830 mm | 2500 mm |
| Fuel Tank Capacity | 93 L | 55 L |
