2005 Audi A6 vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 6,208 cc, 2009 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (451 HP @ 6800 RPM) has 204 more horse power than 2005 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 2009 Mercedes-Benz C should accelerate faster than 2005 Audi A6.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2005 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, 2009 Mercedes-Benz C (600 Nm @ 5000 RPM) has 280 more torque (in Nm) than 2005 Audi A6. (320 Nm @ 3250 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2009 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | C |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 6208 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 451 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 320 Nm | 600 Nm |
| Torque RPM | 3250 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 102 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 13.0:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4940 mm | 4720 mm |
| Vehicle Width | 1870 mm | 1490 mm |
| Vehicle Height | 1470 mm | 1800 mm |
| Wheelbase Size | 2850 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 66 L |
