2011 Opel Astra vs. 2010 Citroen C4
To start off, 2011 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2010 Citroen C4. In addition, the cost of maintenance, including insurance, on 2010 Citroen C4 would be higher. At 1,998 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (197 HP @ 5600 RPM) has 63 more horse power than 2010 Citroen C4. (134 HP @ 4000 RPM). In normal driving conditions, 2011 Opel Astra should accelerate faster than 2010 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2010 Citroen C4 weights approximately 71 kg more than 2011 Opel Astra.
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, 2010 Citroen C4 (320 Nm @ 2000 RPM) has 58 more torque (in Nm) than 2011 Opel Astra. (262 Nm @ 4200 RPM). This means 2010 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Opel Astra.
Compare all specifications:
| 2011 Opel Astra | 2010 Citroen C4 | |
| Make | Opel | Citroen |
| Model | Astra | C4 |
| Year Released | 2011 | 2010 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 134 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 262 Nm | 320 Nm |
| Torque RPM | 4200 RPM | 2000 RPM |
| Engine Bore Size | 86.1 mm | 85 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 8.8:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 8.2 seconds | 10.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1385 kg | 1456 kg |
| Vehicle Length | 4260 mm | 4270 mm |
| Vehicle Width | 1760 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2610 mm |
| Fuel Consumption Overall | 9.3 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 52 L | 60 L |
