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 4,966 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (382 HP @ 6000 RPM) has 204 more horse power than 2008 Audi A6. (178 HP @ 4000 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. 2009 Mercedes-Benz S weights approximately 940 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (460 Nm @ 2700 RPM) has 90 more torque (in Nm) than 2008 Audi A6. (370 Nm @ 1500 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6. 2009 Mercedes-Benz S has automatic transmission and 2008 Audi A6 has manual transmission. 2008 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 2009 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | S |
| Year Released | 2008 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 178 HP | 382 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 370 Nm | 460 Nm |
| Torque RPM | 1500 RPM | 2700 RPM |
| Engine Compression Ratio | 19.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 207 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 5.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1890 kg | 2830 kg |
| Vehicle Length | 4820 mm | 5170 mm |
| Vehicle Width | 1860 mm | 1450 mm |
| Vehicle Height | 1560 mm | 1860 mm |
| Wheelbase Size | 2760 mm | 3090 mm |
| Fuel Consumption Overall | 9.2 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
