2005 Audi S4 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 S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (383 HP @ 6000 RPM) has 43 more horse power than 2005 Audi S4. (340 HP @ 4000 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 460 kg more than 2009 Mercedes-Benz S.
Let's talk about torque, 2009 Mercedes-Benz S (530 Nm) has 120 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2009 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 | 2009 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | S |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5461 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 383 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 410 Nm | 530 Nm |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1325 kg |
| Vehicle Length | 4550 mm | 5210 mm |
| Vehicle Width | 1770 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2470 mm | 3170 mm |
| Fuel Consumption | 11.2 L/100km | 11.2 L/100km |
| Fuel Consumption City | 15.7 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 66 L | 90 L |
