2005 Audi A4 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,498 cc (6 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (268 HP @ 6000 RPM) has 139 more horse power than 2005 Audi A4. (129 HP @ 4000 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz S weights approximately 290 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 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, 2005 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, 2009 Mercedes-Benz S (350 Nm @ 2400 RPM) has 40 more torque (in Nm) than 2005 Audi A4. (310 Nm @ 1900 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2009 Mercedes-Benz S has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2009 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | S |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 129 HP | 268 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 310 Nm | 350 Nm |
| Torque RPM | 1900 RPM | 2400 RPM |
| Engine Bore Size | 79.5 mm | 92.9 mm |
| Engine Stroke Size | 95.5 mm | 86 mm |
| Engine Compression Ratio | 19.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 202 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 7.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1830 kg |
| Vehicle Length | 4550 mm | 5080 mm |
| Vehicle Width | 1780 mm | 1480 mm |
| Vehicle Height | 1430 mm | 1880 mm |
| Wheelbase Size | 2660 mm | 3040 mm |
| Fuel Consumption Overall | 6.1 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 66 L | 90 L |
