2009 Citroen C6 vs. 2006 Audi A4
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 2,720 cc (6 cylinders), 2009 Citroen C6 is equipped with a bigger engine. In terms of performance, 2009 Citroen C6 (201 HP @ 4200 RPM) has 63 more horse power than 2006 Audi A4. (138 HP @ 4000 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 595 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2009 Citroen C6 (440 Nm @ 1900 RPM) has 119 more torque (in Nm) than 2006 Audi A4. (321 Nm @ 1750 RPM). This means 2009 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2009 Citroen C6 | 2006 Audi A4 | |
| Make | Citroen | Audi |
| Model | C6 | A4 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2720 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 138 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 440 Nm | 321 Nm |
| Torque RPM | 1900 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 88 mm | 95.5 mm |
| Fuel Type | Diesel | Diesel |
| Top Speed | 230 km/hour | 207 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 9.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1870 kg | 1275 kg |
| Vehicle Length | 4910 mm | 4550 mm |
| Vehicle Width | 1870 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2910 mm | 2660 mm |
| Fuel Consumption Overall | 8.7 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 72 L | 70 L |
