2005 Opel Astra vs. 2011 Citroen C6
To start off, 2011 Citroen C6 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,946 cc (6 cylinders), 2011 Citroen C6 is equipped with a bigger engine. In terms of performance, 2011 Citroen C6 (209 HP @ 6000 RPM) has 124 more horse power than 2005 Opel Astra. (85 HP @ 5800 RPM) In normal driving conditions, 2011 Citroen C6 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C6 weights approximately 565 kg more than 2005 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, 2011 Citroen C6 (290 Nm @ 3750 RPM) has 163 more torque (in Nm) than 2005 Opel Astra. (127 Nm @ 4000 RPM). This means 2011 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2011 Citroen C6 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Citroen C6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Astra | 2011 Citroen C6 | |
| Make | Opel | Citroen |
| Model | Astra | C6 |
| Year Released | 2005 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1388 cc | 2946 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 85 HP | 209 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 127 Nm | 290 Nm |
| Torque RPM | 4000 RPM | 3750 RPM |
| Engine Bore Size | 73.4 mm | 87 mm |
| Engine Stroke Size | 80.6 mm | 82.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.9:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1815 kg |
| Vehicle Length | 4520 mm | 4910 mm |
| Vehicle Width | 1800 mm | 1870 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 3010 mm | 2910 mm |
