2006 Citroen C4 vs. 2003 Opel Vectra
To start off, 2006 Citroen C4 is newer by 3 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 1,994 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Citroen C4 (108 HP) has 8 more horse power than 2003 Opel Vectra. (100 HP). In normal driving conditions, 2006 Citroen C4 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 274 kg more than 2006 Citroen C4.
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 (205 Nm @ 1600 RPM) has 58 more torque (in Nm) than 2006 Citroen C4. (147 Nm @ 4000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen C4.
Compare all specifications:
| 2006 Citroen C4 | 2003 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C4 | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 100 HP |
| Torque | 147 Nm | 205 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Bore Size | 78 mm | 84 mm |
| Engine Stroke Size | 82 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1216 kg | 1490 kg |
| Vehicle Length | 4270 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
