2006 Audi A4 vs. 2003 Mercedes-Benz S
To start off, 2006 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz S would be higher. At 5,439 cc (8 cylinders), 2003 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz S (493 HP @ 6100 RPM) has 323 more horse power than 2006 Audi A4. (170 HP @ 5900 RPM) In normal driving conditions, 2003 Mercedes-Benz S should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz S weights approximately 335 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2006 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, 2003 Mercedes-Benz S (700 Nm @ 2750 RPM) has 474 more torque (in Nm) than 2006 Audi A4. (226 Nm @ 1950 RPM). This means 2003 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2003 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | S |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 5439 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 170 HP | 493 HP |
| Engine RPM | 5900 RPM | 6100 RPM |
| Torque | 226 Nm | 700 Nm |
| Torque RPM | 1950 RPM | 2750 RPM |
| Engine Bore Size | 81 mm | 97 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 226 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1650 kg | 1985 kg |
| Vehicle Length | 4580 mm | 5050 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2970 mm |
| Fuel Consumption Overall | 9.1 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
