2009 Opel Astra vs. 2011 Citroen C4
To start off, 2011 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Opel Astra. In addition, the cost of maintenance, including insurance, on 2009 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2009 Opel Astra is equipped with a bigger engine. In terms of performance, 2009 Opel Astra (197 HP) has 89 more horse power than 2011 Citroen C4. (108 HP). In normal driving conditions, 2009 Opel Astra should accelerate faster than 2011 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Opel Astra weights approximately 288 kg more than 2011 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 @ 1950 RPM) has 115 more torque (in Nm) than 2011 Citroen C4. (147 Nm @ 4000 RPM). This means 2009 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2011 Citroen C4.
Compare all specifications:
| 2009 Opel Astra | 2011 Citroen C4 | |
| Make | Opel | Citroen |
| Model | Astra | C4 |
| Year Released | 2009 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1587 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 108 HP |
| Torque | 262 Nm | 147 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Compression Ratio | 8.8:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 234 km/hour | 189 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 10.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1625 kg | 1337 kg |
| Vehicle Length | 4300 mm | 4280 mm |
| Vehicle Width | 1760 mm | 1460 mm |
| Vehicle Height | 1440 mm | 1770 mm |
| Wheelbase Size | 2620 mm | 2610 mm |
| Fuel Consumption Overall | 9.3 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 52 L | 60 L |
