2009 Audi RS6 vs. 2011 Mercedes-Benz S
To start off, 2011 Mercedes-Benz S is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi RS6. In addition, the cost of maintenance, including insurance, on 2009 Audi RS6 would be higher. At 5,500 cc (8 cylinders), 2011 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 190 more horse power than 2011 Mercedes-Benz S. (382 HP @ 6000 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2011 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz S weights approximately 63 kg more than 2009 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, 2009 Audi RS6 (650 Nm @ 1500 RPM) has 120 more torque (in Nm) than 2011 Mercedes-Benz S. (530 Nm @ 2800 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz S.
Compare all specifications:
| 2009 Audi RS6 | 2011 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | S |
| Year Released | 2009 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4991 cc | 5500 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 572 HP | 382 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 650 Nm | 530 Nm |
| Torque RPM | 1500 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2028 kg | 2091 kg |
| Vehicle Length | 4930 mm | 5245 mm |
| Vehicle Width | 1900 mm | 1872 mm |
| Vehicle Height | 1470 mm | 1473 mm |
| Wheelbase Size | 2850 mm | 3165 mm |
| Fuel Tank Capacity | 80 L | 90 L |
