2008 Citroen C6 vs. 2007 Opel Vectra
To start off, 2008 Citroen C6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2007 Opel Vectra would be higher. At 2,958 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2008 Citroen C6 (208 HP @ 6000 RPM) has 33 more horse power than 2007 Opel Vectra. (175 HP @ 4000 RPM). In normal driving conditions, 2008 Citroen C6 should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Citroen C6 weights approximately 213 kg more than 2007 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, 2007 Opel Vectra (370 Nm @ 1900 RPM) has 80 more torque (in Nm) than 2008 Citroen C6. (290 Nm @ 3750 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2008 Citroen C6.
Compare all specifications:
| 2008 Citroen C6 | 2007 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C6 | Vectra |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2946 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 290 Nm | 370 Nm |
| Torque RPM | 3750 RPM | 1900 RPM |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 82.6 mm | 82 mm |
| Engine Compression Ratio | 10.9:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 230 km/hour | 226 km/hour |
| Acceleration 0-100mph | 10 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1818 kg | 1605 kg |
| Vehicle Length | 4910 mm | 4600 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2910 mm | 2710 mm |
| Fuel Consumption Overall | 11.2 L/100km | 7 L/100km |
| Fuel Tank Capacity | 72 L | 61 L |
