2004 Audi RS6 vs. 2006 Mercedes-Benz C
To start off, 2006 Mercedes-Benz C is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi RS6. In addition, the cost of maintenance, including insurance, on 2004 Audi RS6 would be higher. At 4,163 cc (8 cylinders), 2004 Audi RS6 is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (445 HP @ 6300 RPM) has 297 more horse power than 2006 Mercedes-Benz C. (148 HP @ 4200 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 2006 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 55 kg more than 2006 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 220 more torque (in Nm) than 2006 Mercedes-Benz C. (340 Nm @ 2000 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz C. 2006 Mercedes-Benz C has automatic transmission and 2004 Audi RS6 has manual transmission. 2004 Audi RS6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi RS6 | 2006 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | C |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 445 HP | 148 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 560 Nm | 340 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 88 mm |
| Engine Stroke Size | 93 mm | 88.3 mm |
| Engine Compression Ratio | 9.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1785 kg |
| Vehicle Length | 4800 mm | 4860 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2760 mm | 2720 mm |
| Fuel Tank Capacity | 70 L | 65 L |
