2004 Citroen C4 vs. 2003 Opel Astra
To start off, 2004 Citroen C4 is newer by 1 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 1,998 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (174 HP @ 5200 RPM) has 39 more horse power than 2004 Citroen C4. (135 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 2004 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 135 kg more than 2004 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, 2004 Citroen C4 (314 Nm @ 2000 RPM) has 63 more torque (in Nm) than 2003 Opel Astra. (251 Nm @ 1950 RPM). This means 2004 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2004 Citroen C4 | 2003 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2004 | 2003 |
| 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 | 135 HP | 174 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 314 Nm | 251 Nm |
| Torque RPM | 2000 RPM | 1950 RPM |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1410 kg |
| Vehicle Length | 4270 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2740 mm |
| Fuel Tank Capacity | 60 L | 52 L |
