2005 BMW M6 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW M6. In addition, the cost of maintenance, including insurance, on 2005 BMW M6 would be higher. At 4,998 cc (10 cylinders), 2005 BMW M6 is equipped with a bigger engine. In terms of performance, 2005 BMW M6 (500 HP @ 7750 RPM) has 172 more horse power than 2009 Audi A4. (328 HP @ 5500 RPM). In normal driving conditions, 2005 BMW M6 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M6 weights approximately 135 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW M6. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 BMW M6 (500 Nm @ 6100 RPM) has 60 more torque (in Nm) than 2009 Audi A4. (440 Nm @ 2900 RPM). This means 2005 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2005 BMW M6 | 2009 Audi A4 | |
| Make | BMW | Audi |
| Model | M6 | A4 |
| Year Released | 2005 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 2995 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 328 HP |
| Engine RPM | 7750 RPM | 5500 RPM |
| Torque | 500 Nm | 440 Nm |
| Torque RPM | 6100 RPM | 2900 RPM |
| Engine Bore Size | 92 mm | 84.6 mm |
| Engine Stroke Size | 75.2 mm | 89 mm |
| Engine Compression Ratio | 12.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 4.6 seconds | 5.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1650 kg |
| Vehicle Length | 4880 mm | 4720 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1410 mm |
| Wheelbase Size | 2890 mm | 2820 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.7 L/100km |
