2005 Audi A6 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 4 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 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 258 more horse power than 2005 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 315 kg more than 2009 Mercedes-Benz S.
Because 2009 Mercedes-Benz S is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Mercedes-Benz S. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 500 more torque (in Nm) than 2005 Audi A6. (330 Nm @ 3250 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2009 Mercedes-Benz S has automatic transmission and 2005 Audi A6 has manual transmission. 2005 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:
| 2005 Audi A6 | 2009 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | S |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3121 cc | 5513 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 252 HP | 510 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 330 Nm | 830 Nm |
| Torque RPM | 3250 RPM | 1800 RPM |
| Engine Compression Ratio | 13.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1225 kg |
| Vehicle Length | 4920 mm | 5210 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2770 mm | 3170 mm |
| Fuel Consumption Overall | 9.7 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
