2007 Audi A4 vs. 2009 BMW M6
To start off, 2009 BMW M6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M6 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 248 more horse power than 2007 Audi A4. (252 HP @ 5100 RPM) In normal driving conditions, 2009 BMW M6 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 173 kg more than 2009 BMW M6.
Let's talk about torque, 2009 BMW M6 (519 Nm @ 6100 RPM) has 189 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2009 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 BMW M6 | |
| Make | Audi | BMW |
| Model | A4 | M6 |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4999 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 500 HP |
| Engine RPM | 5100 RPM | 7750 RPM |
| Torque | 330 Nm | 519 Nm |
| Torque RPM | 3250 RPM | 6100 RPM |
| Engine Compression Ratio | 12.5:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 244 km/hour |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1698 kg | 1525 kg |
| Vehicle Length | 4580 mm | 4880 mm |
| Vehicle Width | 1400 mm | 1860 mm |
| Vehicle Height | 1780 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption Overall | 11 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
