2007 Audi RS4 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi RS4. In addition, the cost of maintenance, including insurance, on 2007 Audi RS4 would be higher. At 5,980 cc, 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (604 HP @ 4750 RPM) has 184 more horse power than 2007 Audi RS4. (420 HP @ 8205 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2007 Audi RS4.
Because 2007 Audi RS4 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, 2007 Audi RS4 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 (1,000 Nm @ 200 RPM) has 570 more torque (in Nm) than 2007 Audi RS4. (430 Nm @ 5500 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi RS4.
Compare all specifications:
| 2007 Audi RS4 | 2009 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | RS4 | S |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5980 cc |
| Horse Power | 420 HP | 604 HP |
| Engine RPM | 8205 RPM | 4750 RPM |
| Torque | 430 Nm | 1000 Nm |
| Torque RPM | 5500 RPM | 200 RPM |
| Top Speed | 249 km/hour | 245 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Width | 1820 mm | 1480 mm |
