2005 Audi A6 vs. 2009 BMW M6
To start off, 2009 BMW M6 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 M6 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 253 more horse power than 2005 Audi A6. (247 HP @ 6200 RPM) In normal driving conditions, 2009 BMW M6 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 505 kg more than 2009 BMW M6.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M6. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 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, 2009 BMW M6 (519 Nm @ 6100 RPM) has 199 more torque (in Nm) than 2005 Audi A6. (320 Nm @ 3000 RPM). This means 2009 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2005 Audi A6 has automatic transmission and 2009 BMW M6 has manual transmission. 2009 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2009 BMW M6 | |
| Make | Audi | BMW |
| Model | A6 | M6 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4999 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Horse Power | 247 HP | 500 HP |
| Engine RPM | 6200 RPM | 7750 RPM |
| Torque | 320 Nm | 519 Nm |
| Torque RPM | 3000 RPM | 6100 RPM |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1280 kg |
| Vehicle Length | 4840 mm | 4880 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1480 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Consumption | 9.6 L/100km | 14 L/100km |
| Fuel Consumption City | 19.1 L/100km | 21.5 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 18.2 L/100km |
| Fuel Tank Capacity | 82 L | 70 L |
