2009 Audi A6 vs. 2011 Mercedes-Benz CLS
To start off, 2011 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 would be higher. At 5,204 cc (10 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (430 HP @ 6800 RPM) has 28 more horse power than 2011 Mercedes-Benz CLS. (402 HP @ 5000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2011 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 34 kg more than 2011 Mercedes-Benz CLS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 60 more torque (in Nm) than 2009 Audi A6. (540 Nm @ 3000 RPM). This means 2011 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2011 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | CLS |
| Year Released | 2009 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 4700 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 430 HP | 402 HP |
| Engine RPM | 6800 RPM | 5000 RPM |
| Torque | 540 Nm | 600 Nm |
| Torque RPM | 3000 RPM | 1800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1970 kg | 1936 kg |
| Vehicle Length | 4940 mm | 4940 mm |
| Vehicle Width | 1870 mm | 1882 mm |
| Vehicle Height | 1460 mm | 1417 mm |
| Wheelbase Size | 2850 mm | 2875 mm |
| Fuel Tank Capacity | 80 L | 80 L |
