2005 Audi A6 vs. 2004 BMW M6
To start off, 2005 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW M6. In addition, the cost of maintenance, including insurance, on 2004 BMW M6 would be higher. At 4,998 cc (10 cylinders), 2004 BMW M6 is equipped with a bigger engine. In terms of performance, 2004 BMW M6 (500 HP @ 7750 RPM) has 322 more horse power than 2005 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2004 BMW M6 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M6 weights approximately 90 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 BMW M6. 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, 2004 BMW M6 (520 Nm @ 6100 RPM) has 150 more torque (in Nm) than 2005 Audi A6. (370 Nm @ 1400 RPM). This means 2004 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2004 BMW M6 | |
| Make | Audi | BMW |
| Model | A6 | M6 |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4998 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 | 370 Nm | 520 Nm |
| Torque RPM | 1400 RPM | 6100 RPM |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 83.1 mm | 75.2 mm |
| Engine Compression Ratio | 17.0:1 | 12.0:1 |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 4.2 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1695 kg | 1785 kg |
| Vehicle Length | 4940 mm | 4880 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Consumption Overall | 7.1 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
