2005 Audi A6 vs. 2006 Mercedes-Benz S
To start off, 2006 Mercedes-Benz S is newer by 1 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 4,261 cc (8 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz S (275 HP @ 5750 RPM) has 107 more horse power than 2005 Audi A6. (168 HP @ 6000 RPM) In normal driving conditions, 2006 Mercedes-Benz S should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 247 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 2006 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, 2006 Mercedes-Benz S (400 Nm @ 3000 RPM) has 170 more torque (in Nm) than 2005 Audi A6. (230 Nm @ 3200 RPM). This means 2006 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 | 2006 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | S |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4261 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 168 HP | 275 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 230 Nm | 400 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 89.9 mm |
| Engine Stroke Size | 77.4 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1640 kg | 1887 kg |
| Vehicle Length | 4800 mm | 5170 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 3090 mm |
| Fuel Consumption Overall | 10.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
