2005 Audi S4 vs. 2009 Citroen C6
To start off, 2009 Citroen C6 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 4,172 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 172 more horse power than 2009 Citroen C6. (168 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2009 Citroen C6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 110 kg more than 2005 Audi S4.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 40 more torque (in Nm) than 2009 Citroen C6. (370 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C6.
Compare all specifications:
| 2005 Audi S4 | 2009 Citroen C6 | |
| Make | Audi | Citroen |
| Model | S4 | C6 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2179 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 168 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 410 Nm | 370 Nm |
| Engine Bore Size | 85 mm | 85 mm |
| Engine Stroke Size | 93 mm | 96 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1895 kg |
| Vehicle Length | 4550 mm | 4910 mm |
| Vehicle Width | 1770 mm | 1870 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2910 mm |
| Fuel Consumption Overall | 13.8 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 66 L | 72 L |
