2006 Audi A6 vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 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 204 more horse power than 2006 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 470 kg more than 2009 Mercedes-Benz CLS.
Because 2006 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2006 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, 2009 Mercedes-Benz CLS (530 Nm @ 2800 RPM) has 150 more torque (in Nm) than 2006 Audi A6. (380 Nm @ 1400 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6. 2009 Mercedes-Benz CLS has automatic transmission and 2006 Audi A6 has manual transmission. 2006 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A6 | 2009 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | CLS |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 5461 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 382 HP |
| Engine RPM | 3300 RPM | 6000 RPM |
| Torque | 380 Nm | 530 Nm |
| Torque RPM | 1400 RPM | 2800 RPM |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 1225 kg |
| Vehicle Length | 4940 mm | 4910 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2860 mm |
| Fuel Consumption Overall | 8.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
