2009 Citroen C4 vs. 2008 Opel Vectra
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 Vectra. In addition, the cost of maintenance, including insurance, on 2008 Opel Vectra would be higher. At 1,995 cc (4 cylinders), 2009 Citroen C4 is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (148 HP @ 4000 RPM) has 14 more horse power than 2009 Citroen C4. (134 HP @ 4000 RPM) In normal driving conditions, 2008 Opel Vectra should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vectra weights approximately 79 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, 2009 Citroen C4 (320 Nm @ 2000 RPM) has 5 more torque (in Nm) than 2008 Opel Vectra. (315 Nm @ 2000 RPM). This means 2009 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 2009 Citroen C4 | 2008 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C4 | Vectra |
| Year Released | 2009 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 134 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 320 Nm | 315 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 85 mm | 82 mm |
| Engine Stroke Size | 88 mm | 90.4 mm |
| Engine Compression Ratio | 18.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 207 km/hour | 217 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1456 kg | 1535 kg |
| Vehicle Length | 4270 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
| Fuel Consumption Overall | 5.4 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
