2009 Citroen C4 vs. 2009 Opel Astra
To start off, both 2009 Citroen C4 and 2009 Opel Astra were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,998 cc (4 cylinders), 2009 Opel Astra is equipped with a bigger engine. In terms of performance, 2009 Opel Astra (197 HP @ 5600 RPM) has 16 more horse power than 2009 Citroen C4. (181 HP @ 7000 RPM) In normal driving conditions, 2009 Opel Astra should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Opel Astra weights approximately 48 kg more than 2009 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, 2009 Opel Astra (262 Nm @ 4200 RPM) has 82 more torque (in Nm) than 2009 Citroen C4. (180 Nm @ 7000 RPM). This means 2009 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4.
Compare all specifications:
| 2009 Citroen C4 | 2009 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2009 | 2009 |
| Body Type | Hatchback | Sedan |
| 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 | 197 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 180 Nm | 262 Nm |
| Torque RPM | 7000 RPM | 4200 RPM |
| Engine Bore Size | 85 mm | 86.1 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 10.8:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 8.6 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1337 kg | 1385 kg |
| Vehicle Length | 4270 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
| Fuel Consumption Overall | 11.5 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
