2008 Citroen C4 vs. 2006 Opel Astra
To start off, 2008 Citroen C4 is newer by 2 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 1,995 cc (4 cylinders), 2008 Citroen C4 is equipped with a bigger engine. In terms of performance, 2008 Citroen C4 (138 HP @ 6000 RPM) has 49 more horse power than 2006 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 2008 Citroen C4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Citroen C4 weights approximately 405 kg more than 2006 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, 2008 Citroen C4 (200 Nm @ 4000 RPM) has 75 more torque (in Nm) than 2006 Opel Astra. (125 Nm @ 4000 RPM). This means 2008 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2008 Citroen C4 | 2006 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2008 | 2006 |
| Body Type | Minivan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1364 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 89 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 200 Nm | 125 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 73.4 mm |
| Engine Stroke Size | 88 mm | 80.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 195 km/hour | 180 km/hour |
| Acceleration 0-100mph | 12.6 seconds | 13.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1635 kg | 1230 kg |
| Vehicle Length | 4590 mm | 4300 mm |
| Vehicle Width | 1840 mm | 1760 mm |
| Vehicle Height | 1630 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
| Fuel Consumption Overall | 8 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
