2009 Citroen C5 vs. 2006 Opel Astra
To start off, 2009 Citroen C5 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 1,598 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2009 Citroen C5 (108 HP @ 4000 RPM) has 4 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2009 Citroen C5 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C5 weights approximately 312 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 C5 (240 Nm @ 1750 RPM) has 90 more torque (in Nm) than 2006 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 2006 Opel Astra. 2006 Opel Astra has automatic transmission and 2009 Citroen C5 has manual transmission. 2009 Citroen C5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Citroen C5 | 2006 Opel Astra | |
| Make | Citroen | Opel |
| Model | C5 | Astra |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1558 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 104 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 240 Nm | 150 Nm |
| Torque RPM | 1750 RPM | 3900 RPM |
| Engine Bore Size | 75 mm | 79 mm |
| Engine Stroke Size | 88 mm | 81.5 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 191 km/hour | 185 km/hour |
| Acceleration 0-100mph | 13.4 seconds | 12.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1578 kg | 1266 kg |
| Vehicle Length | 4790 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2620 mm |
| Fuel Consumption Overall | 5.6 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 71 L | 52 L |
