2006 Fiat Siena vs. 2011 Citroen C4
To start off, 2011 Citroen C4 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2006 Fiat Siena would be higher. At 1,995 cc (4 cylinders), 2011 Citroen C4 is equipped with a bigger engine. In terms of performance, 2011 Citroen C4 (134 HP @ 4000 RPM) has 62 more horse power than 2006 Fiat Siena. (72 HP @ 6000 RPM) In normal driving conditions, 2011 Citroen C4 should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C4 weights approximately 286 kg more than 2006 Fiat Siena. 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 C4 (320 Nm @ 2000 RPM) has 218 more torque (in Nm) than 2006 Fiat Siena. (102 Nm @ 3250 RPM). This means 2011 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2006 Fiat Siena | 2011 Citroen C4 | |
| Make | Fiat | Citroen |
| Model | Siena | C4 |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 72 HP | 134 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 102 Nm | 320 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 70.8 mm | 85 mm |
| Engine Stroke Size | 78.8 mm | 88 mm |
| Engine Compression Ratio | 9.1:1 | 18.0:1 |
| Top Speed | 164 km/hour | 207 km/hour |
| Acceleration 0-100mph | 13.5 seconds | 10.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1170 kg | 1456 kg |
| Vehicle Length | 3830 mm | 4270 mm |
| Vehicle Width | 1640 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2380 mm | 2610 mm |
| Fuel Consumption Overall | 7.8 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 54 L | 60 L |
