2007 Opel Astra vs. 2011 Citroen C4
To start off, 2011 Citroen C4 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 1,997 cc (4 cylinders), 2011 Citroen C4 is equipped with a bigger engine. In terms of performance, 2011 Citroen C4 (181 HP @ 7000 RPM) has 92 more horse power than 2007 Opel Astra. (89 HP @ 4000 RPM) In normal driving conditions, 2011 Citroen C4 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 43 kg more than 2011 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, 2007 Opel Astra (200 Nm @ 1750 RPM) has 20 more torque (in Nm) than 2011 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 2011 Citroen C4.
Compare all specifications:
| 2007 Opel Astra | 2011 Citroen C4 | |
| Make | Opel | Citroen |
| Model | Astra | C4 |
| Year Released | 2007 | 2011 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1248 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 89 HP | 181 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 200 Nm | 180 Nm |
| Torque RPM | 1750 RPM | 7000 RPM |
| Engine Bore Size | 69.6 mm | 85 mm |
| Engine Stroke Size | 82 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 172 km/hour | 227 km/hour |
| Acceleration 0-100mph | 14.1 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1380 kg | 1337 kg |
| Vehicle Length | 4520 mm | 4270 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1510 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Consumption Overall | 4.8 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 52 L | 60 L |
