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 4,179 cc (8 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (296 HP @ 6200 RPM) has 128 more horse power than 2009 Mercedes-Benz C. (168 HP @ 3800 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2009 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz C weights approximately 1035 kg more 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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Audi A6 | 2009 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | C |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4179 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 296 HP | 168 HP |
| Engine RPM | 6200 RPM | 3800 RPM |
| Torque | 400 Nm | 400 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 84.6 mm | 88 mm |
| Engine Stroke Size | 93 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1795 kg | 2830 kg |
| Vehicle Length | 4840 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1450 mm |
| Vehicle Height | 1460 mm | 1780 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Consumption Overall | 13 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 82 L | 62 L |
