2006 Citroen C4 vs. 2003 Opel Astra
To start off, 2006 Citroen C4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 2,172 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (144 HP @ 5800 RPM) has 10 more horse power than 2006 Citroen C4. (134 HP @ 5600 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 2006 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 128 kg more than 2006 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, 2003 Opel Astra (203 Nm @ 4000 RPM) has 7 more torque (in Nm) than 2006 Citroen C4. (196 Nm @ 4100 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen C4.
Compare all specifications:
| 2006 Citroen C4 | 2003 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2006 | 2003 |
| Body Type | Minivan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2172 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 144 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 196 Nm | 203 Nm |
| Torque RPM | 4100 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 88 mm | 94.6 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Top Speed | 192 km/hour | 202 km/hour |
| Acceleration 0-100mph | 11.2 seconds | 10.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1252 kg | 1380 kg |
| Vehicle Length | 4280 mm | 4290 mm |
| Vehicle Width | 1760 mm | 1720 mm |
| Vehicle Height | 1640 mm | 1520 mm |
| Wheelbase Size | 2770 mm | 2640 mm |
| Fuel Consumption Overall | 8.6 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
