2005 Audi S4 vs. 2003 Mercedes-Benz S
To start off, 2005 Audi S4 is newer by 2 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 153 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2003 Mercedes-Benz S should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz S weights approximately 145 kg more than 2005 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 Mercedes-Benz S (700 Nm) has 290 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2003 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2003 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | S |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5439 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 340 HP | 493 HP |
| Engine RPM | 6300 RPM | 6100 RPM |
| Torque | 410 Nm | 700 Nm |
| Engine Bore Size | 85 mm | 97 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 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 | 11.8 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
