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 1,748 cc (4 cylinders), 2009 Citroen C5 is equipped with a bigger engine. In terms of performance, 2009 Citroen C5 (123 HP @ 6000 RPM) has 19 more horse power than 2005 Opel Astra. (104 HP @ 6000 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 414 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 (170 Nm @ 3750 RPM) has 20 more torque (in Nm) than 2005 Opel Astra. (150 Nm @ 3900 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 | 1748 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 104 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 170 Nm | 150 Nm |
| Torque RPM | 3750 RPM | 3900 RPM |
| Engine Bore Size | 83 mm | 79 mm |
| Engine Stroke Size | 81 mm | 81.5 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 196 km/hour | 185 km/hour |
| Acceleration 0-100mph | 12.8 seconds | 12.3 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1624 kg | 1210 kg |
| Vehicle Length | 4840 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1520 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2640 mm |
| Fuel Consumption Overall | 8.1 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 71 L | 52 L |
