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 4,964 cc (8 cylinders), 2003 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz S (302 HP @ 5600 RPM) has 55 more horse power than 2005 Audi A6. (247 HP @ 6200 RPM) In normal driving conditions, 2003 Mercedes-Benz S should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz S weights approximately 90 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (460 Nm @ 2700 RPM) has 140 more torque (in Nm) than 2005 Audi A6. (320 Nm @ 3000 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 | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4964 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 247 HP | 302 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 320 Nm | 460 Nm |
| Torque RPM | 3000 RPM | 2700 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Acceleration 0-100mph | 7.4 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1875 kg |
| Vehicle Length | 4840 mm | 5050 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1480 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 82 L | 88 L |
