2004 Audi A6 vs. 2006 BMW M6
To start off, 2006 BMW M6 is newer by 2 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 4,997 cc (10 cylinders), 2006 BMW M6 is equipped with a bigger engine. In terms of performance, 2006 BMW M6 (500 HP @ 7750 RPM) has 320 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM) In normal driving conditions, 2006 BMW M6 should accelerate faster than 2004 Audi A6.
Because 2006 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 2006 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, 2006 BMW M6 (519 Nm @ 6100 RPM) has 284 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 RPM). This means 2006 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 | 2006 BMW M6 | |
| Make | Audi | BMW |
| Model | A6 | M6 |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4997 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 | 6000 RPM | 7750 RPM |
| Torque | 235 Nm | 519 Nm |
| Torque RPM | 3000 RPM | 6100 RPM |
| Engine Bore Size | 81 mm | 92 mm |
| Engine Stroke Size | 77.4 mm | 75.2 mm |
| Engine Compression Ratio | 10.3:1 | 12.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4940 mm | 4880 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption | 7.2 L/100km | 13.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 19.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
