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 1,998 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (123 HP @ 6000 RPM) has 24 more horse power than 2005 Opel Vectra. (99 HP @ 4000 RPM). In normal driving conditions, 2007 Citroen C4 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 75 kg more than 2005 Opel Vectra. 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, 2005 Opel Vectra (230 Nm @ 1500 RPM) has 60 more torque (in Nm) than 2007 Citroen C4. (170 Nm @ 3750 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2007 Citroen C4 | 2005 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C4 | Vectra |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 99 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 170 Nm | 230 Nm |
| Torque RPM | 3750 RPM | 1500 RPM |
| Engine Bore Size | 82.7 mm | 84.1 mm |
| Engine Stroke Size | 81.4 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 13.4 seconds | 13.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1510 kg |
| Vehicle Length | 4280 mm | 4830 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1630 mm | 1510 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 8 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
