2007 Mercedes-Benz S vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz S would be higher. At 5,461 cc (8 cylinders), 2007 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz S (382 HP @ 6000 RPM) has 165 more horse power than 2009 Audi A4. (217 HP @ 6300 RPM). In normal driving conditions, 2007 Mercedes-Benz S should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz S weights approximately 345 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2007 Mercedes-Benz S (530 Nm @ 2800 RPM) has 230 more torque (in Nm) than 2009 Audi A4. (300 Nm @ 3200 RPM). This means 2007 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2007 Mercedes-Benz S | 2009 Audi A4 | |
| Make | Mercedes-Benz | Audi |
| Model | S | A4 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5461 cc | 2975 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 382 HP | 217 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 530 Nm | 300 Nm |
| Torque RPM | 2800 RPM | 3200 RPM |
| Engine Bore Size | 98 mm | 82.5 mm |
| Engine Stroke Size | 90.5 mm | 92.8 mm |
| Engine Compression Ratio | 10.7:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 236 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 8.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1955 kg | 1610 kg |
| Vehicle Length | 5080 mm | 4550 mm |
| Vehicle Width | 1480 mm | 1780 mm |
| Vehicle Height | 1880 mm | 1430 mm |
| Wheelbase Size | 3040 mm | 2660 mm |
| Fuel Consumption Overall | 11.9 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 90 L | 66 L |
