2006 Audi A6 vs. 2009 BMW M6
To start off, 2009 BMW M6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 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 322 more horse power than 2006 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2009 BMW M6 should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 415 kg more than 2009 BMW M6.
Because 2006 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, 2006 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 139 more torque (in Nm) than 2006 Audi A6. (380 Nm @ 1400 RPM). This means 2009 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 2009 BMW M6 | |
| Make | Audi | BMW |
| Model | A6 | M6 |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 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 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1695 kg | 1280 kg |
| Vehicle Length | 4940 mm | 4880 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2850 mm | 2790 mm |
| Fuel Consumption Overall | 8.3 L/100km | 18.2 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
