2007 Audi S4 vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 6,208 cc (8 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 167 more horse power than 2007 Audi S4. (340 HP @ 6800 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 2007 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 50 kg more than 2007 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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 CLS (631 Nm @ 5200 RPM) has 221 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4.
Compare all specifications:
| 2007 Audi S4 | 2009 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | CLS |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 507 HP |
| Engine RPM | 6800 RPM | 6800 RPM |
| Torque | 410 Nm | 631 Nm |
| Torque RPM | 3500 RPM | 5200 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1325 kg |
| Vehicle Length | 4580 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1870 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Consumption | 10.2 L/100km | 13.1 L/100km |
| Fuel Consumption City | 15.7 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
