2009 Citroen C5 vs. 2005 Opel Astra
To start off, 2009 Citroen C5 is newer by 4 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), 2009 Citroen C5 is equipped with a bigger engine. In terms of performance, 2009 Citroen C5 (205 HP @ 6000 RPM) has 84 more horse power than 2005 Opel Astra. (121 HP @ 5600 RPM). In normal driving conditions, 2009 Citroen C5 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C5 weights approximately 337 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, 2009 Citroen C5 (285 Nm @ 3750 RPM) has 115 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2009 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2009 Citroen C5 | 2005 Opel Astra | |
| Make | Citroen | Opel |
| Model | C5 | Astra |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2946 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 205 HP | 121 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 285 Nm | 170 Nm |
| Torque RPM | 3750 RPM | 3800 RPM |
| Engine Bore Size | 87 mm | 80.5 mm |
| Engine Stroke Size | 82.6 mm | 88.2 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 234 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1597 kg | 1260 kg |
| Vehicle Length | 4760 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1520 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
| Fuel Consumption Overall | 9.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
