2005 Audi RS4 vs. 2006 BMW M6
To start off, 2006 BMW M6 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi RS4. In addition, the cost of maintenance, including insurance, on 2005 Audi RS4 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 124 more horse power than 2005 Audi RS4. (376 HP @ 6300 RPM) In normal driving conditions, 2006 BMW M6 should accelerate faster than 2005 Audi RS4.
Because 2005 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW M6. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS4 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, 2006 BMW M6 (519 Nm @ 6100 RPM) has 70 more torque (in Nm) than 2005 Audi RS4. (449 Nm @ 2500 RPM). This means 2006 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi RS4.
Compare all specifications:
| 2005 Audi RS4 | 2006 BMW M6 | |
| Make | Audi | BMW |
| Model | RS4 | M6 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4997 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 376 HP | 500 HP |
| Engine RPM | 6300 RPM | 7750 RPM |
| Torque | 449 Nm | 519 Nm |
| Torque RPM | 2500 RPM | 6100 RPM |
| Engine Compression Ratio | 12.5:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4600 mm | 4880 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2610 mm | 2790 mm |
| Fuel Consumption | 10.1 L/100km | 13.1 L/100km |
| Fuel Consumption City | 19.7 L/100km | 19.6 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
