2004 Citroen C4 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Citroen C4. In addition, the cost of maintenance, including insurance, on 2004 Citroen C4 would be higher. At 1,997 cc (4 cylinders), 2004 Citroen C4 is equipped with a bigger engine. In terms of performance, 2004 Citroen C4 (134 HP @ 4000 RPM) has 30 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2004 Citroen C4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Citroen C4 weights approximately 66 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, 2004 Citroen C4 (318 Nm @ 2000 RPM) has 168 more torque (in Nm) than 2006 Opel Astra. (150 Nm @ 3900 RPM). This means 2004 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2004 Citroen C4 | 2006 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2004 | 2006 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 104 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 318 Nm | 150 Nm |
| Torque RPM | 2000 RPM | 3900 RPM |
| Engine Bore Size | 85 mm | 79 mm |
| Engine Stroke Size | 88 mm | 81.5 mm |
| Top Speed | 208 km/hour | 185 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 12.7 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 | 1381 kg | 1315 kg |
| Vehicle Length | 4270 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
| Fuel Consumption Overall | 5.4 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
