2009 Audi A4 vs. 2006 BMW MM Roadster
To start off, 2009 Audi A4 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 113 more horse power than 2009 Audi A4. (217 HP @ 6300 RPM) In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2009 Audi A4.
Let's talk about torque, 2006 BMW MM Roadster (355 Nm @ 4900 RPM) has 55 more torque (in Nm) than 2009 Audi A4. (300 Nm @ 3200 RPM). This means 2006 BMW MM Roadster will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2006 BMW MM Roadster | |
| Make | Audi | BMW |
| Model | A4 | MM Roadster |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 3245 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 330 HP |
| Engine RPM | 6300 RPM | 7900 RPM |
| Torque | 300 Nm | 355 Nm |
| Torque RPM | 3200 RPM | 4900 RPM |
| Engine Compression Ratio | 11.0:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4550 mm | 4120 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Tank Capacity | 66 L | 55 L |
