2009 Audi A6 vs. 2006 BMW MM Roadster
To start off, 2009 Audi A6 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 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 30 more horse power than 2009 Audi A6. (300 HP @ 5100 RPM) In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2009 Audi A6.
Let's talk about torque, 2009 Audi A6 (420 Nm @ 2500 RPM) has 65 more torque (in Nm) than 2006 BMW MM Roadster. (355 Nm @ 4900 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW MM Roadster.
Compare all specifications:
| 2009 Audi A6 | 2006 BMW MM Roadster | |
| Make | Audi | BMW |
| Model | A6 | MM Roadster |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 3245 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 330 HP |
| Engine RPM | 5100 RPM | 7900 RPM |
| Torque | 420 Nm | 355 Nm |
| Torque RPM | 2500 RPM | 4900 RPM |
| Engine Compression Ratio | 18.0:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4930 mm | 4120 mm |
| Vehicle Width | 2040 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2850 mm | 2500 mm |
| Fuel Consumption Highway | 9.1 L/100km | 8.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 80 L | 55 L |
