2008 Citroen C4 vs. 2006 Opel Astra
To start off, 2008 Citroen C4 is newer by 2 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 (197 HP @ 5400 RPM) has 22 more horse power than 2008 Citroen C4. (175 HP @ 7000 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 2008 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Citroen C4 weights approximately 26 kg more than 2006 Opel Astra.
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 60 more torque (in Nm) than 2008 Citroen C4. (202 Nm @ 4750 RPM). This means 2006 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2008 Citroen C4.
Compare all specifications:
| 2008 Citroen C4 | 2006 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2008 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 197 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 202 Nm | 262 Nm |
| Torque RPM | 4750 RPM | 4200 RPM |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 227 km/hour | 230 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1412 kg | 1386 kg |
| Vehicle Length | 4280 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
| Fuel Consumption Overall | 8.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
