2003 Citroen C3 vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Citroen C3. In addition, the cost of maintenance, including insurance, on 2003 Citroen C3 would be higher. At 1,581 cc (4 cylinders), 2006 Fiat Siena is equipped with a bigger engine. In terms of performance, 2006 Fiat Siena (101 HP @ 5500 RPM) has 12 more horse power than 2003 Citroen C3. (89 HP @ 4000 RPM) In normal driving conditions, 2006 Fiat Siena should accelerate faster than 2003 Citroen C3. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 893 kg more than 2003 Citroen C3. 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, 2003 Citroen C3 (200 Nm @ 1750 RPM) has 60 more torque (in Nm) than 2006 Fiat Siena. (140 Nm @ 4000 RPM). This means 2003 Citroen C3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2003 Citroen C3 has automatic transmission and 2006 Fiat Siena has manual transmission. 2006 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Citroen C3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Citroen C3 | 2006 Fiat Siena | |
| Make | Citroen | Fiat |
| Model | C3 | Siena |
| Year Released | 2003 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1398 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 89 HP | 101 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 200 Nm | 140 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 73.7 mm | 86.4 mm |
| Engine Stroke Size | 82 mm | 67.4 mm |
| Engine Compression Ratio | 18.0:1 | 9.5:1 |
| Top Speed | 177 km/hour | 184 km/hour |
| Acceleration 0-100mph | 12.9 seconds | 11.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 890 kg | 1783 kg |
| Vehicle Length | 3860 mm | 3830 mm |
| Vehicle Width | 1670 mm | 1640 mm |
| Vehicle Height | 1540 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2380 mm |
| Fuel Consumption Overall | 4.3 L/100km | 8 L/100km |
| Fuel Tank Capacity | 45 L | 54 L |
