2007 Audi A6 vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (382 HP @ 6000 RPM) has 130 more horse power than 2007 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 317 kg more than 2009 Mercedes-Benz CLS.
Because 2009 Mercedes-Benz CLS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Mercedes-Benz CLS. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 Mercedes-Benz CLS (530 Nm @ 2800 RPM) has 200 more torque (in Nm) than 2007 Audi A6. (330 Nm @ 3250 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2007 Audi A6 | 2009 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | CLS |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 5461 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 382 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 530 Nm |
| Torque RPM | 3250 RPM | 2800 RPM |
| Engine Compression Ratio | 12.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1225 kg |
| Vehicle Length | 4920 mm | 4910 mm |
| Vehicle Width | 2020 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2860 mm |
| Fuel Consumption Overall | 9.7 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
