2004 Audi RS6 vs. 2006 BMW M5
To start off, 2006 BMW M5 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi RS6. In addition, the cost of maintenance, including insurance, on 2004 Audi RS6 would be higher. At 4,998 cc (10 cylinders), 2006 BMW M5 is equipped with a bigger engine. In terms of performance, 2006 BMW M5 (500 HP @ 7750 RPM) has 55 more horse power than 2004 Audi RS6. (445 HP @ 6300 RPM) In normal driving conditions, 2006 BMW M5 should accelerate faster than 2004 Audi RS6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 85 kg more than 2006 BMW M5.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Audi RS6 (560 Nm @ 1950 RPM) has 41 more torque (in Nm) than 2006 BMW M5. (519 Nm @ 6100 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW M5.
Compare all specifications:
| 2004 Audi RS6 | 2006 BMW M5 | |
| Make | Audi | BMW |
| Model | RS6 | M5 |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4998 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 445 HP | 500 HP |
| Engine RPM | 6300 RPM | 7750 RPM |
| Torque | 560 Nm | 519 Nm |
| Torque RPM | 1950 RPM | 6100 RPM |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1755 kg |
| Vehicle Length | 4800 mm | 4860 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 70 L |
