2009 Audi A6 vs. 2005 Mercedes-Benz S
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 5,506 cc (12 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (493 HP @ 4200 RPM) has 264 more horse power than 2009 Audi A6. (229 HP @ 4000 RPM) In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 1161 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 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 S (801 Nm) has 351 more torque (in Nm) than 2009 Audi A6. (450 Nm). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2005 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | S |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 5506 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 229 HP | 493 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 450 Nm | 801 Nm |
| Engine Bore Size | 83 mm | 82 mm |
| Engine Stroke Size | 91.4 mm | 87 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 930 kg | 2091 kg |
| Vehicle Length | 4940 mm | 5170 mm |
| Vehicle Width | 1470 mm | 1860 mm |
| Vehicle Height | 1860 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 3210 mm |
| Fuel Consumption Overall | 8.4 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
