2004 Audi A6 vs. 2008 BMW M6
To start off, 2008 BMW M6 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M6 is equipped with a bigger engine. In terms of performance, 2008 BMW M6 (500 HP @ 7750 RPM) has 280 more horse power than 2004 Audi A6. (220 HP @ 4000 RPM) In normal driving conditions, 2008 BMW M6 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 45 kg more than 2008 BMW M6.
Because 2008 BMW M6 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 2008 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2008 BMW M6 (520 Nm) has 220 more torque (in Nm) than 2004 Audi A6. (300 Nm). This means 2008 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2008 BMW M6 | |
| Make | Audi | BMW |
| Model | A6 | M6 |
| Year Released | 2004 | 2008 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 500 HP |
| Engine RPM | 4000 RPM | 7750 RPM |
| Torque | 300 Nm | 520 Nm |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1785 kg |
| Vehicle Length | 4880 mm | 4880 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1480 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption Overall | 11.4 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
