2008 Audi RS6 vs. 2007 Mercedes-Benz SL
To start off, 2008 Audi RS6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz SL would be higher. At 5,513 cc (12 cylinders), 2007 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (580 HP @ 6250 RPM) has 87 more horse power than 2007 Mercedes-Benz SL. (493 HP @ 5000 RPM). In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2007 Mercedes-Benz SL.
Because 2008 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2008 Audi RS6 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, 2008 Audi RS6 (881 Nm @ 6250 RPM) has 81 more torque (in Nm) than 2007 Mercedes-Benz SL. (800 Nm @ 1800 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz SL.
Compare all specifications:
| 2008 Audi RS6 | 2007 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | SL |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4175 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 580 HP | 493 HP |
| Engine RPM | 6250 RPM | 5000 RPM |
| Torque | 881 Nm | 800 Nm |
| Torque RPM | 6250 RPM | 1800 RPM |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 244 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
