2006 Audi A4 vs. 2009 Citroen C6
To start off, 2009 Citroen C6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 2,993 cc (6 cylinders), 2009 Citroen C6 is equipped with a bigger engine. In terms of performance, 2009 Citroen C6 (209 HP @ 6000 RPM) has 7 more horse power than 2006 Audi A4. (202 HP @ 3500 RPM) In normal driving conditions, 2009 Citroen C6 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 540 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Citroen C6. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Audi A4 (450 Nm @ 1400 RPM) has 160 more torque (in Nm) than 2009 Citroen C6. (290 Nm @ 3750 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C6.
Compare all specifications:
| 2006 Audi A4 | 2009 Citroen C6 | |
| Make | Audi | Citroen |
| Model | A4 | C6 |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 209 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 450 Nm | 290 Nm |
| Torque RPM | 1400 RPM | 3750 RPM |
| Engine Bore Size | 83 mm | 87 mm |
| Engine Stroke Size | 91.4 mm | 82.6 mm |
| Engine Compression Ratio | 17.0:1 | 10.9:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 231 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 10 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1815 kg |
| Vehicle Length | 4590 mm | 4910 mm |
| Vehicle Width | 1780 mm | 1870 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2910 mm |
| Fuel Consumption Overall | 8.3 L/100km | 11.2 L/100km |
