2005 Audi S4 vs. 2008 Mercedes-Benz S
To start off, 2008 Mercedes-Benz S is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 5,513 cc (12 cylinders), 2008 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz S (510 HP @ 5000 RPM) has 170 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2008 Mercedes-Benz S should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz S weights approximately 340 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, 2008 Mercedes-Benz S (830 Nm) has 420 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2008 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 | 2008 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | S |
| Year Released | 2005 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 340 HP | 510 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 410 Nm | 830 Nm |
| 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 | 2180 kg |
| Vehicle Length | 4580 mm | 5210 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1480 mm |
| Wheelbase Size | 2660 mm | 3170 mm |
| Fuel Consumption | 10.2 L/100km | 13.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 21.4 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 14.3 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
