2007 Citroen C4 vs. 2007 Opel Astra
To start off, both 2007 Citroen C4 and 2007 Opel Astra were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,997 cc (4 cylinders), 2007 Citroen C4 is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (181 HP @ 7000 RPM) has 77 more horse power than 2007 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2007 Citroen C4 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 23 kg more than 2007 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 (180 Nm @ 7000 RPM) has 30 more torque (in Nm) than 2007 Opel Astra. (150 Nm @ 3900 RPM). This means 2007 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2007 Citroen C4 | 2007 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2007 | 2007 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 181 HP | 104 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 180 Nm | 150 Nm |
| Torque RPM | 7000 RPM | 3900 RPM |
| Engine Bore Size | 85 mm | 79 mm |
| Engine Stroke Size | 88 mm | 81.5 mm |
| Engine Compression Ratio | 10.8:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 227 km/hour | 185 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 13 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1338 kg | 1315 kg |
| Vehicle Length | 4270 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
| Fuel Consumption Overall | 11.5 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
