2008 Citroen C6 vs. 2003 Opel Vectra
To start off, 2008 Citroen C6 is newer by 5 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 2,178 cc (4 cylinders), 2008 Citroen C6 is equipped with a bigger engine. In terms of performance, 2008 Citroen C6 (168 HP @ 4000 RPM) has 45 more horse power than 2003 Opel Vectra. (123 HP @ 3250 RPM). In normal driving conditions, 2008 Citroen C6 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Citroen C6 weights approximately 262 kg more than 2003 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, 2008 Citroen C6 (370 Nm @ 1500 RPM) has 90 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2008 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2003 Opel Vectra has automatic transmission and 2008 Citroen C6 has manual transmission. 2008 Citroen C6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Citroen C6 | 2003 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C6 | Vectra |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2178 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 123 HP |
| Engine RPM | 4000 RPM | 3250 RPM |
| Torque | 370 Nm | 280 Nm |
| Torque RPM | 1500 RPM | 1500 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 96 mm | 98 mm |
| Engine Compression Ratio | 18.0:1 | 18.5:1 |
| Top Speed | 217 km/hour | 199 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 12.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1895 kg | 1633 kg |
| Vehicle Length | 4910 mm | 4830 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2910 mm | 2610 mm |
| Fuel Consumption Overall | 6.6 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 72 L | 60 L |
