2007 Citroen C4 vs. 2006 Opel Astra
To start off, 2007 Citroen C4 is newer by 1 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 1,598 cc (4 cylinders), 2006 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (108 HP @ 4000 RPM) has 4 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2007 Citroen C4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 159 kg more than 2007 Citroen C4.
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 (240 Nm @ 1750 RPM) has 89 more torque (in Nm) than 2006 Opel Astra. (151 Nm @ 3900 RPM). This means 2007 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2007 Citroen C4 | 2006 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1560 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 104 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 240 Nm | 151 Nm |
| Torque RPM | 1750 RPM | 3900 RPM |
| Engine Bore Size | 75 mm | 79 mm |
| Engine Stroke Size | 88 mm | 81.5 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 192 km/hour | 186 km/hour |
| Acceleration 0-100mph | 12.4 seconds | 14.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1356 kg | 1515 kg |
| Vehicle Length | 4270 mm | 4480 mm |
| Vehicle Width | 1780 mm | 2030 mm |
| Vehicle Height | 1460 mm | 1840 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
| Fuel Consumption Overall | 4.7 L/100km | 7 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
