2005 Audi RS6 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 133 more horse power than 2013 BMW 7 Series. (311 HP @ 5800 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2013 BMW 7 Series. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 188 kg more than 2005 Audi RS6.
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, 2005 Audi RS6 (580 Nm @ 1950 RPM) has 133 more torque (in Nm) than 2013 BMW 7 Series. (447 Nm @ 4500 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2013 BMW 7 Series.
Compare all specifications:
| 2005 Audi RS6 | 2013 BMW 7 Series | |
| Make | Audi | BMW |
| Model | RS6 | 7 Series |
| Year Released | 2005 | 2013 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 311 HP |
| Engine RPM | 5700 RPM | 5800 RPM |
| Torque | 580 Nm | 447 Nm |
| Torque RPM | 1950 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 89 mm |
| Engine Compression Ratio | 9.0:1 | 10.2 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 5.7 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1865 kg | 2053 kg |
| Vehicle Length | 4840 mm | 5214 mm |
| Vehicle Width | 1860 mm | 2134 mm |
| Vehicle Height | 1400 mm | 1481 mm |
| Wheelbase Size | 2760 mm | 3210 mm |
| Fuel Tank Capacity | 82 L | 80 L |
