2007 Citroen C4 vs. 2004 Opel Astra
To start off, 2007 Citroen C4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 1,747 cc (4 cylinders), 2007 Citroen C4 is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (123 HP @ 6000 RPM) has 38 more horse power than 2004 Opel Astra. (85 HP @ 5400 RPM). In normal driving conditions, 2007 Citroen C4 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 270 kg more than 2004 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, 2007 Citroen C4 (170 Nm @ 3750 RPM) has 31 more torque (in Nm) than 2004 Opel Astra. (139 Nm @ 2600 RPM). This means 2007 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2004 Opel Astra has automatic transmission and 2007 Citroen C4 has manual transmission. 2007 Citroen C4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Citroen C4 | 2004 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2007 | 2004 |
| Body Type | Minivan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 85 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 170 Nm | 139 Nm |
| Torque RPM | 3750 RPM | 2600 RPM |
| Engine Bore Size | 82.7 mm | 79 mm |
| Engine Stroke Size | 81.4 mm | 81.5 mm |
| Top Speed | 185 km/hour | 157 km/hour |
| Acceleration 0-100mph | 13.4 seconds | 15 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1315 kg |
| Vehicle Length | 4280 mm | 4290 mm |
| Vehicle Width | 1840 mm | 1720 mm |
| Vehicle Height | 1630 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2610 mm |
| Fuel Tank Capacity | 60 L | 52 L |
