2005 Audi RS6 vs. 2011 BMW 520
To start off, 2011 BMW 520 is newer by 6 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 262 more horse power than 2011 BMW 520. (182 HP @ 4000 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2011 BMW 520.
Because 2005 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2011 BMW 520. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS6 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, 2005 Audi RS6 (580 Nm @ 1950 RPM) has 200 more torque (in Nm) than 2011 BMW 520. (380 Nm @ 2750 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 520.
Compare all specifications:
| 2005 Audi RS6 | 2011 BMW 520 | |
| Make | Audi | BMW |
| Model | RS6 | 520 |
| Year Released | 2005 | 2011 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 182 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 580 Nm | 380 Nm |
| Torque RPM | 1950 RPM | 2750 RPM |
| Engine Bore Size | 84.5 mm | 90 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4840 mm | 4907 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1462 mm |
| Wheelbase Size | 2760 mm | 2968 mm |
| Fuel Tank Capacity | 82 L | 70 L |
