2004 Citroen C4 vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Citroen C4. In addition, the cost of maintenance, including insurance, on 2004 Citroen C4 would be higher. At 1,997 cc (4 cylinders), 2004 Citroen C4 is equipped with a bigger engine. In terms of performance, 2004 Citroen C4 (175 HP @ 7000 RPM) has 55 more horse power than 2006 Opel Vectra. (120 HP @ 6000 RPM). In normal driving conditions, 2004 Citroen C4 should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Citroen C4 weights approximately 2 kg more than 2006 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, 2004 Citroen C4 (202 Nm @ 4750 RPM) has 35 more torque (in Nm) than 2006 Opel Vectra. (167 Nm @ 3800 RPM). This means 2004 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Vectra.
Compare all specifications:
| 2004 Citroen C4 | 2006 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C4 | Vectra |
| Year Released | 2004 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 120 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 202 Nm | 167 Nm |
| Torque RPM | 4750 RPM | 3800 RPM |
| Engine Bore Size | 85.1 mm | 80.5 mm |
| Engine Stroke Size | 88 mm | 88.2 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.9 seconds | 11.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1412 kg | 1410 kg |
| Vehicle Length | 4280 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2710 mm |
| Fuel Consumption Overall | 8.4 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
