2005 Audi RS6 vs. 2011 Audi A6
To start off, 2011 Audi A6 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 144 more horse power than 2011 Audi A6. (300 HP @ 5100 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2011 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi A6 weights approximately 55 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 (560 Nm @ 1950 RPM) has 140 more torque (in Nm) than 2011 Audi A6. (420 Nm @ 2500 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi A6.
Compare all specifications:
| 2005 Audi RS6 | 2011 Audi A6 | |
| Make | Audi | Audi |
| Model | RS6 | A6 |
| Year Released | 2005 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 300 HP |
| Engine RPM | 5700 RPM | 5100 RPM |
| Torque | 560 Nm | 420 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1870 kg |
| Vehicle Length | 4860 mm | 4928 mm |
| Vehicle Width | 1860 mm | 1854 mm |
| Vehicle Height | 1460 mm | 1458 mm |
| Wheelbase Size | 2850 mm | 2842 mm |
| Fuel Consumption Highway | 10.4 L/100km | 9 L/100km |
| Fuel Tank Capacity | 82 L | 80 L |
