2004 Audi A6 vs. 2005 Mercedes-Benz C
To start off, 2005 Mercedes-Benz C is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 4,172 cc (8 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (296 HP @ 6200 RPM) has 75 more horse power than 2005 Mercedes-Benz C. (221 HP @ 3800 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 90 kg more than 2005 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 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, 2004 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 (510 Nm @ 1600 RPM) has 110 more torque (in Nm) than 2004 Audi A6. (400 Nm @ 3000 RPM). This means 2005 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2005 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | C |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2987 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 296 HP | 221 HP |
| Engine RPM | 6200 RPM | 3800 RPM |
| Torque | 400 Nm | 510 Nm |
| Torque RPM | 3000 RPM | 1600 RPM |
| Engine Bore Size | 84.5 mm | 83.1 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Acceleration 0-100mph | 6.9 seconds | 7.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1680 kg |
| Vehicle Length | 4920 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2700 mm |
| Fuel Tank Capacity | 82 L | 62 L |
