2005 Audi A6 vs. 2003 Mercedes-Benz S
To start off, 2005 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz S would be higher. At 3,996 cc (8 cylinders), 2003 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 1800 RPM) has 5 more horse power than 2003 Mercedes-Benz S. (242 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2003 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz S weights approximately 330 kg more than 2005 Audi A6.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz S. 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, 2003 Mercedes-Benz S (560 Nm @ 1700 RPM) has 210 more torque (in Nm) than 2005 Audi A6. (350 Nm @ 1800 RPM). This means 2003 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2003 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | S |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3996 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 242 HP |
| Engine RPM | 1800 RPM | 4000 RPM |
| Torque | 350 Nm | 560 Nm |
| Torque RPM | 1800 RPM | 1700 RPM |
| Engine Compression Ratio | 9.3:1 | 19.0:1 |
| Top Speed | 243 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1990 kg |
| Vehicle Length | 4800 mm | 5050 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 3110 mm |
| Fuel Consumption Overall | 12.2 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
