2009 Citroen C4 vs. 2008 Opel Astra
To start off, 2009 Citroen C4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Astra. In addition, the cost of maintenance, including insurance, on 2008 Opel Astra would be higher. At 1,587 cc (4 cylinders), 2009 Citroen C4 is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (108 HP) has 19 more horse power than 2008 Opel Astra. (89 HP). In normal driving conditions, 2009 Citroen C4 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 69 kg more than 2009 Citroen C4.
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, 2008 Opel Astra (200 Nm @ 1750 RPM) has 53 more torque (in Nm) than 2009 Citroen C4. (147 Nm @ 4000 RPM). This means 2008 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4. 2008 Opel Astra has automatic transmission and 2009 Citroen C4 has manual transmission. 2009 Citroen C4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Citroen C4 | 2008 Opel Astra | |
| Make | Citroen | Opel |
| Model | C4 | Astra |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 1248 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 89 HP |
| Torque | 147 Nm | 200 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 78.1 mm | 69.6 mm |
| Engine Stroke Size | 82 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 10.6 seconds | 13.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1263 kg | 1332 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 | 7.1 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
