2009 Audi A6 vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 3 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 4,663 cc (8 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 102 more horse power than 2009 Audi A6. (300 HP @ 5100 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 840 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2012 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 180 more torque (in Nm) than 2009 Audi A6. (420 Nm @ 2500 RPM). This means 2012 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 | 2012 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | CLS |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 402 HP |
| Engine RPM | 5100 RPM | 5000 RPM |
| Torque | 420 Nm | 600 Nm |
| Torque RPM | 2500 RPM | 1800 RPM |
| Engine Compression Ratio | 18.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 895 kg | 1735 kg |
| Vehicle Length | 4930 mm | 4940 mm |
| Vehicle Width | 2040 mm | 1882 mm |
| Vehicle Height | 1460 mm | 1417 mm |
| Wheelbase Size | 2850 mm | 2875 mm |
| Fuel Tank Capacity | 80 L | 80 L |
