2005 Audi S6 vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi S6. In addition, the cost of maintenance, including insurance, on 2005 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (475 HP @ 6800 RPM) has 140 more horse power than 2005 Audi S6. (335 HP @ 7000 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 2005 Audi S6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 85 kg more than 2009 Mercedes-Benz CLS.
Because 2005 Audi S6 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, 2005 Audi S6 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 (630 Nm @ 5000 RPM) has 210 more torque (in Nm) than 2005 Audi S6. (420 Nm @ 3400 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S6.
Compare all specifications:
| 2005 Audi S6 | 2009 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | S6 | CLS |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2995 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 475 HP |
| Engine RPM | 7000 RPM | 6800 RPM |
| Torque | 420 Nm | 630 Nm |
| Torque RPM | 3400 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 88 mm |
| Engine Stroke Size | 93 mm | 82.1 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1730 kg |
| Vehicle Length | 4840 mm | 4920 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Consumption Overall | 14.5 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 82 L | 80 L |
