2007 Citroen C4 vs. 2003 Opel Vectra
To start off, 2007 Citroen C4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 2,957 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 4000 RPM) has 84 more horse power than 2007 Citroen C4. (89 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 273 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 155 more torque (in Nm) than 2007 Citroen C4. (215 Nm @ 1750 RPM). This means 2003 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 | 2003 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C4 | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1560 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 89 HP | 173 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 215 Nm | 370 Nm |
| Torque RPM | 1750 RPM | 1900 RPM |
| Engine Bore Size | 75 mm | 87.5 mm |
| Engine Stroke Size | 88 mm | 82 mm |
| Engine Compression Ratio | 18.0:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 180 km/hour | 226 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1332 kg | 1605 kg |
| Vehicle Length | 3440 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2740 mm |
| Fuel Consumption Overall | 4.7 L/100km | 7 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
