2005 Audi S4 vs. 2011 Citroen C6
To start off, 2011 Citroen C6 is newer by 6 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 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 139 more horse power than 2011 Citroen C6. (201 HP @ 4200 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2011 Citroen C6. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C6 weights approximately 30 kg more than 2005 Audi S4.
Let's talk about torque, 2011 Citroen C6 (440 Nm) has 30 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2011 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2011 Citroen C6 | |
| Make | Audi | Citroen |
| Model | S4 | C6 |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2720 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 201 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 410 Nm | 440 Nm |
| Engine Bore Size | 85 mm | 81 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 17.3:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1870 kg |
| Vehicle Length | 4580 mm | 4910 mm |
| Vehicle Width | 1780 mm | 1870 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2910 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 63 L | 72 L |
