2009 Audi A4 vs. 2007 Mercedes-Benz S
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 3,189 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (252 HP @ 6500 RPM) has 20 more horse power than 2007 Mercedes-Benz S. (232 HP @ 3800 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2007 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz S weights approximately 1109 kg more than 2009 Audi A4.
Because 2007 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 2007 Mercedes-Benz S. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, 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, 2007 Mercedes-Benz S (540 Nm @ 1600 RPM) has 210 more torque (in Nm) than 2009 Audi A4. (330 Nm @ 3250 RPM). This means 2007 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2007 Mercedes-Benz S has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2007 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | S |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 232 HP |
| Engine RPM | 6500 RPM | 3800 RPM |
| Torque | 330 Nm | 540 Nm |
| Torque RPM | 3250 RPM | 1600 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Engine Compression Ratio | 12.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 228 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 895 kg | 2004 kg |
| Vehicle Length | 4550 mm | 5210 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2660 mm | 3170 mm |
| Fuel Consumption Overall | 9.5 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
