2006 Audi A6 vs. 2008 Citroen C6
To start off, 2008 Citroen C6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 Audi A6 would be higher. At 2,393 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (175 HP @ 6000 RPM) has 7 more horse power than 2008 Citroen C6. (168 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2008 Citroen C6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Citroen C6 weights approximately 620 kg more than 2006 Audi A6.
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, 2008 Citroen C6 (370 Nm @ 1500 RPM) has 140 more torque (in Nm) than 2006 Audi A6. (230 Nm @ 3200 RPM). This means 2008 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 2008 Citroen C6 | |
| Make | Audi | Citroen |
| Model | A6 | C6 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2178 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 175 HP | 168 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 230 Nm | 370 Nm |
| Torque RPM | 3200 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 85 mm |
| Engine Stroke Size | 77.4 mm | 96 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 231 km/hour | 217 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 10.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1895 kg |
| Vehicle Length | 4920 mm | 4910 mm |
| Vehicle Width | 2020 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2910 mm |
| Fuel Consumption Overall | 9.7 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 72 L |
