2005 Audi RS6 vs. 2008 Mercedes-Benz C
To start off, 2008 Mercedes-Benz C is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,163 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 6300 RPM) has 303 more horse power than 2008 Mercedes-Benz C. (141 HP @ 5200 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2008 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 385 kg more than 2008 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS6 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, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 340 more torque (in Nm) than 2008 Mercedes-Benz C. (220 Nm @ 2500 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz C.
Compare all specifications:
| 2005 Audi RS6 | 2008 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | C |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 141 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 560 Nm | 220 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 82 mm |
| Engine Stroke Size | 93 mm | 85 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 4.7 seconds | 10 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1525 kg |
| Vehicle Length | 4800 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1730 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
| Fuel Consumption Overall | 14.8 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
