2007 Citroen C4 vs. 2005 Opel Vectra
To start off, 2007 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 2,198 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (145 HP @ 5600 RPM) has 11 more horse power than 2007 Citroen C4. (134 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 29 kg more than 2007 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, 2007 Citroen C4 (320 Nm @ 2000 RPM) has 100 more torque (in Nm) than 2005 Opel Vectra. (220 Nm @ 3800 RPM). This means 2007 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra. 2005 Opel Vectra has automatic transmission and 2007 Citroen C4 has manual transmission. 2007 Citroen C4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Citroen C4 | 2005 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C4 | Vectra |
| Year Released | 2007 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 145 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 320 Nm | 220 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 88 mm | 94.6 mm |
| Engine Compression Ratio | 18.0:1 | 12.0:1 |
| Top Speed | 207 km/hour | 212 km/hour |
| Acceleration 0-100mph | 10.8 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1456 kg | 1485 kg |
| Vehicle Length | 4270 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Consumption Overall | 5.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
