2009 Citroen C4 vs. 2006 Opel Astra
To start off, 2009 Citroen C4 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 1,998 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (198 HP @ 5400 RPM) has 86 more horse power than 2009 Citroen C4. (112 HP @ 4000 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 185 kg more than 2009 Citroen C4. 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, 2006 Opel Astra (262 Nm @ 4200 RPM) has 22 more torque (in Nm) than 2009 Citroen C4. (240 Nm @ 1750 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4.
Compare all specifications:
| 2009 Citroen C4 | 2006 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1560 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 112 HP | 198 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 240 Nm | 262 Nm |
| Torque RPM | 1750 RPM | 4200 RPM |
| Engine Compression Ratio | 18.6:1 | 8.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 183 km/hour | 230 km/hour |
| Acceleration 0-100mph | 10.8 seconds | 8.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1240 kg | 1425 kg |
| Vehicle Length | 4280 mm | 4520 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1760 mm | 1510 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Overall | 4.9 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
