2006 BMW MM Roadster vs. 2006 BMW 645
To start off, both 2006 BMW MM Roadster and 2006 BMW 645 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW MM Roadster (330 HP @ 7900 RPM) has 2 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2006 BMW 645.
Let's talk about torque, 2006 BMW 645 (450 Nm @ 3600 RPM) has 95 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 2006 BMW 645 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 | 2006 BMW 645 | |
Make | BMW | BMW |
Model | MM Roadster | 645 |
Year Released | 2006 | 2006 |
Engine Position | Front | Front |
Engine Size | 3245 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 330 HP | 328 HP |
Engine RPM | 7900 RPM | 6100 RPM |
Torque | 355 Nm | 450 Nm |
Torque RPM | 4900 RPM | 3600 RPM |
Engine Compression Ratio | 11.5:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Length | 4120 mm | 4830 mm |
Vehicle Width | 1790 mm | 1860 mm |
Vehicle Height | 1310 mm | 1380 mm |
Wheelbase Size | 2500 mm | 2790 mm |
Fuel Tank Capacity | 55 L | 70 L |