2005 Audi A4 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 A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,993 cc (6 cylinders), 2009 Citroen C6 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 4000 RPM) has 8 more horse power than 2009 Citroen C6. (209 HP @ 6000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2009 Citroen C6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 117 kg more than 2005 Audi A4.
Let's talk about torque, 2005 Audi A4 (300 Nm) has 10 more torque (in Nm) than 2009 Citroen C6. (290 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C6.
Compare all specifications:
| 2005 Audi A4 | 2009 Citroen C6 | |
| Make | Audi | Citroen |
| Model | A4 | C6 |
| Year Released | 2005 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 209 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 300 Nm | 290 Nm |
| Engine Bore Size | 83 mm | 87 mm |
| Engine Stroke Size | 93 mm | 82.6 mm |
| Engine Compression Ratio | 10.1:1 | 10.9:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1698 kg | 1815 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 | 10.2 L/100km | 11.2 L/100km |
