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, 2006 Opel Astra (238 HP @ 5600 RPM) has 37 more horse power than 2009 Citroen C6. (201 HP @ 4200 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2009 Citroen C6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 477 kg more than 2006 Opel Astra.
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 120 more torque (in Nm) than 2006 Opel Astra. (320 Nm @ 2400 RPM). This means 2009 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra. 2009 Citroen C6 has automatic transmission and 2006 Opel Astra has manual transmission. 2006 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Citroen C6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Citroen C6 | 2006 Opel Astra | |
| Make | Citroen | Opel |
| Model | C6 | Astra |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2720 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 238 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 440 Nm | 320 Nm |
| Torque RPM | 1900 RPM | 2400 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 17.3:1 | 8.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 230 km/hour | 244 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 6.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1870 kg | 1393 kg |
| Vehicle Length | 4910 mm | 4300 mm |
| Vehicle Width | 1870 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2910 mm | 2620 mm |
| Fuel Consumption Overall | 8.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 72 L | 52 L |
