2005 Citroen C4 vs. 2003 Opel Vectra
To start off, 2005 Citroen C4 is newer by 2 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 35 more horse power than 2005 Citroen C4. (138 HP @ 6000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 326 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, 2003 Opel Vectra (370 Nm) has 260 more torque (in Nm) than 2005 Citroen C4. (110 Nm). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Citroen C4. 2005 Citroen C4 has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Citroen C4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Citroen C4 | 2003 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C4 | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 173 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 110 Nm | 370 Nm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1279 kg | 1605 kg |
| Vehicle Length | 4270 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2740 mm |
| Fuel Tank Capacity | 60 L | 60 L |
