2008 Audi A6 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A6. In addition, the cost of maintenance, including insurance, on 2008 Audi A6 would be higher. At 5,513 cc (12 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (510 HP @ 5000 RPM) has 214 more horse power than 2008 Audi A6. (296 HP @ 6200 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 525 kg more than 2009 Mercedes-Benz S.
Because 2008 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2008 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, 2009 Mercedes-Benz S (830 Nm @ 1800 RPM) has 430 more torque (in Nm) than 2008 Audi A6. (400 Nm @ 3000 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2009 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | S |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 296 HP | 510 HP |
| Engine RPM | 6200 RPM | 5000 RPM |
| Torque | 400 Nm | 830 Nm |
| Torque RPM | 3000 RPM | 1800 RPM |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1225 kg |
| Vehicle Length | 4840 mm | 5210 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1460 mm | 1480 mm |
| Wheelbase Size | 2770 mm | 3170 mm |
| Fuel Consumption Overall | 13 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 82 L | 90 L |
