2007 Citroen C4 vs. 2006 Fiat Siena
To start off, 2007 Citroen C4 is newer by 1 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 1,747 cc (4 cylinders), 2007 Citroen C4 is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (123 HP @ 6000 RPM) has 51 more horse power than 2006 Fiat Siena. (72 HP @ 6000 RPM). In normal driving conditions, 2007 Citroen C4 should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 415 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, 2007 Citroen C4 (170 Nm @ 3750 RPM) has 68 more torque (in Nm) than 2006 Fiat Siena. (102 Nm @ 3250 RPM). This means 2007 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2007 Citroen C4 | 2006 Fiat Siena | |
| Make | Citroen | Fiat |
| Model | C4 | Siena |
| Year Released | 2007 | 2006 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1242 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 123 HP | 72 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 170 Nm | 102 Nm |
| Torque RPM | 3750 RPM | 3250 RPM |
| Engine Bore Size | 82.7 mm | 70.8 mm |
| Engine Stroke Size | 81.4 mm | 78.8 mm |
| Engine Compression Ratio | 11.0:1 | 9.1:1 |
| Top Speed | 185 km/hour | 164 km/hour |
| Acceleration 0-100mph | 13.4 seconds | 13.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1170 kg |
| Vehicle Length | 4280 mm | 3830 mm |
| Vehicle Width | 1840 mm | 1640 mm |
| Vehicle Height | 1630 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2380 mm |
| Fuel Consumption Overall | 8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 60 L | 54 L |
