2010 Citroen C4 vs. 2011 Citroen C6
To start off, 2011 Citroen C6 is newer by 1 year(s). Which means there will be less support and parts availability for 2010 Citroen C4. In addition, the cost of maintenance, including insurance, on 2010 Citroen C4 would be higher. At 2,993 cc (6 cylinders), 2011 Citroen C6 is equipped with a bigger engine. In terms of performance, 2011 Citroen C6 (209 HP @ 6000 RPM) has 75 more horse power than 2010 Citroen C4. (134 HP @ 4000 RPM) In normal driving conditions, 2011 Citroen C6 should accelerate faster than 2010 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C6 weights approximately 120 kg more than 2010 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, 2011 Citroen C6 (290 Nm @ 3750 RPM) has 20 more torque (in Nm) than 2010 Citroen C4. (270 Nm @ 2000 RPM). This means 2011 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2010 Citroen C4.
Compare all specifications:
| 2010 Citroen C4 | 2011 Citroen C6 | |
| Make | Citroen | Citroen |
| Model | C4 | C6 |
| Year Released | 2010 | 2011 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 209 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 270 Nm | 290 Nm |
| Torque RPM | 2000 RPM | 3750 RPM |
| Engine Bore Size | 85 mm | 87 mm |
| Engine Stroke Size | 88 mm | 82.6 mm |
| Engine Compression Ratio | 18.0:1 | 10.9:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 195 km/hour | 230 km/hour |
| Acceleration 0-100mph | 13.7 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 1815 kg |
| Vehicle Length | 4590 mm | 4910 mm |
| Vehicle Width | 1840 mm | 1870 mm |
| Vehicle Height | 1630 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2910 mm |
| Fuel Consumption Overall | 6.1 L/100km | 11.2 L/100km |
