2005 Citroen C4 vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Citroen C4. In addition, the cost of maintenance, including insurance, on 2005 Citroen C4 would be higher. At 1,910 cc (4 cylinders), 2006 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Opel Vectra (148 HP @ 4000 RPM) has 59 more horse power than 2005 Citroen C4. (89 HP @ 4000 RPM) In normal driving conditions, 2006 Opel Vectra should accelerate faster than 2005 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Vectra weights approximately 255 kg more than 2005 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, 2006 Opel Vectra (315 Nm @ 2000 RPM) has 100 more torque (in Nm) than 2005 Citroen C4. (215 Nm @ 1750 RPM). This means 2006 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Citroen C4.
Compare all specifications:
| 2005 Citroen C4 | 2006 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C4 | Vectra |
| Year Released | 2005 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1560 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 89 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 215 Nm | 315 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Compression Ratio | 18.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 175 km/hour | 217 km/hour |
| Acceleration 0-100mph | 13.9 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 | 1280 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 | 4.7 L/100km | 6 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
