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 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (237 HP @ 5600 RPM) has 56 more horse power than 2007 Citroen C4. (181 HP @ 7000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 60 kg more than 2007 Citroen C4. 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 Opel Astra (320 Nm @ 2400 RPM) has 140 more torque (in Nm) than 2007 Citroen C4. (180 Nm @ 7000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2007 Citroen C4 | 2007 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2007 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 181 HP | 237 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 180 Nm | 320 Nm |
| Torque RPM | 7000 RPM | 2400 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 | Gasoline - Premium |
| Top Speed | 227 km/hour | 244 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 6.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 3 doors |
| Vehicle Weight | 1338 kg | 1398 kg |
| Vehicle Length | 4270 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
| Fuel Consumption Overall | 11.5 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
