2009 Audi RS6 vs. 2005 Mercedes-Benz C
To start off, 2009 Audi RS6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 357 more horse power than 2005 Mercedes-Benz C. (215 HP @ 5700 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 338 kg more than 2005 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Audi RS6 (650 Nm @ 1500 RPM) has 340 more torque (in Nm) than 2005 Mercedes-Benz C. (310 Nm @ 3000 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2009 Audi RS6 | 2005 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | C |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4991 cc | 3199 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 572 HP | 215 HP |
| Engine RPM | 6250 RPM | 5700 RPM |
| Torque | 650 Nm | 310 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 280 km/hour | 230 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 8.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2028 kg | 1690 kg |
| Vehicle Length | 4930 mm | 4550 mm |
| Vehicle Width | 1900 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2850 mm | 2830 mm |
| Fuel Consumption Overall | 14 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 80 L | 62 L |
