2009 Citroen C4 vs. 2008 Opel Astra
To start off, 2009 Citroen C4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Astra. In addition, the cost of maintenance, including insurance, on 2008 Opel Astra would be higher. At 1,910 cc (4 cylinders), 2008 Opel Astra is equipped with a bigger engine. In terms of performance, 2008 Opel Astra (148 HP @ 4000 RPM) has 61 more horse power than 2009 Citroen C4. (87 HP @ 5250 RPM) In normal driving conditions, 2008 Opel Astra should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 142 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, 2008 Opel Astra (320 Nm @ 2000 RPM) has 187 more torque (in Nm) than 2009 Citroen C4. (133 Nm @ 3250 RPM). This means 2008 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 | 2008 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1360 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 87 HP | 148 HP |
| Engine RPM | 5250 RPM | 4000 RPM |
| Torque | 133 Nm | 320 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 75 mm | 83 mm |
| Engine Stroke Size | 77 mm | 92 mm |
| Engine Compression Ratio | 11.2:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 182 km/hour | 210 km/hour |
| Acceleration 0-100mph | 14.2 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1256 kg | 1398 kg |
| Vehicle Length | 4280 mm | 3510 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
| Fuel Consumption Overall | 6.6 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
