2005 Audi A6 vs. 2009 BMW M5
To start off, 2009 BMW M5 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 320 more horse power than 2005 Audi A6. (180 HP @ 3300 RPM) In normal driving conditions, 2009 BMW M5 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 122 kg more than 2009 BMW M5.
Because 2009 BMW M5 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW M5. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 BMW M5 (519 Nm @ 6100 RPM) has 139 more torque (in Nm) than 2005 Audi A6. (380 Nm @ 1400 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2009 BMW M5 | |
| Make | Audi | BMW |
| Model | A6 | M5 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2669 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 180 HP | 500 HP |
| Engine RPM | 3300 RPM | 7750 RPM |
| Torque | 380 Nm | 519 Nm |
| Torque RPM | 1400 RPM | 6100 RPM |
| Engine Compression Ratio | 17.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 225 km/hour | 250 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1758 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 7.1 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
