2009 Citroen C4 vs. 2005 Opel Astra
To start off, 2009 Citroen C4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 1,910 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (148 HP) has 40 more horse power than 2009 Citroen C4. (108 HP) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 17 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, 2005 Opel Astra (316 Nm @ 2000 RPM) has 169 more torque (in Nm) than 2009 Citroen C4. (147 Nm @ 4000 RPM). This means 2005 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 | 2005 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2009 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 148 HP |
| Torque | 147 Nm | 316 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 78.1 mm | 82 mm |
| Engine Stroke Size | 82 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 10.6 seconds | 9.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1263 kg | 1280 kg |
| Vehicle Length | 4270 mm | 4520 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
| Fuel Consumption Overall | 7.1 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
