2009 Citroen C6 vs. 2006 Opel Astra
To start off, 2009 Citroen C6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra 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 97 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2009 Citroen C6 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 605 kg more than 2006 Opel Astra. 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 290 more torque (in Nm) than 2006 Opel Astra. (150 Nm @ 3900 RPM). This means 2009 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2009 Citroen C6 | 2006 Opel Astra | |
| Make | Citroen | Opel |
| Model | C6 | Astra |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2720 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 104 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 440 Nm | 150 Nm |
| Torque RPM | 1900 RPM | 3900 RPM |
| Engine Bore Size | 81 mm | 79 mm |
| Engine Stroke Size | 88 mm | 81.5 mm |
| Engine Compression Ratio | 17.3:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 230 km/hour | 187 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 12.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1870 kg | 1265 kg |
| Vehicle Length | 4910 mm | 4300 mm |
| Vehicle Width | 1870 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2910 mm | 2620 mm |
| Fuel Consumption Overall | 8.7 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 72 L | 52 L |
