2009 Citroen C4 vs. 2007 Opel Astra
To start off, 2009 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (197 HP @ 5600 RPM) has 56 more horse power than 2009 Citroen C4. (141 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C4 weights approximately 201 kg more than 2007 Opel Astra.
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 Opel Astra (262 Nm @ 4200 RPM) has 62 more torque (in Nm) than 2009 Citroen C4. (200 Nm @ 4000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4. 2009 Citroen C4 has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Citroen C4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Citroen C4 | 2007 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 197 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 200 Nm | 262 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 10.8:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 195 km/hour | 230 km/hour |
| Acceleration 0-100mph | 11.3 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1586 kg | 1385 kg |
| Vehicle Length | 4480 mm | 4260 mm |
| Vehicle Width | 2110 mm | 1760 mm |
| Vehicle Height | 1690 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
| Fuel Consumption Overall | 8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
