2009 Audi A6 vs. 2005 Mercedes-Benz C
To start off, 2009 Audi A6 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 3,496 cc (6 cylinders), 2005 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz C (268 HP @ 6000 RPM) has 16 more horse power than 2009 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 2005 Mercedes-Benz C should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 130 kg more than 2005 Mercedes-Benz C.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2009 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, 2005 Mercedes-Benz C (350 Nm @ 2500 RPM) has 20 more torque (in Nm) than 2009 Audi A6. (330 Nm @ 3250 RPM). This means 2005 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2005 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | C |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 268 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 350 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 92.9 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 13.0:1 | 10.7:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1680 kg | 1550 kg |
| Vehicle Length | 4920 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2720 mm |
| Fuel Tank Capacity | 80 L | 62 L |
