2005 Fiat Doblo vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Fiat Doblo. In addition, the cost of maintenance, including insurance, on 2005 Fiat Doblo would be higher. At 1,997 cc (4 cylinders), 2005 Fiat Doblo is equipped with a bigger engine. In terms of performance, 2006 Fiat Siena (100 HP @ 5500 RPM) has 38 more horse power than 2005 Fiat Doblo. (62 HP @ 4500 RPM) In normal driving conditions, 2006 Fiat Siena should accelerate faster than 2005 Fiat Doblo. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 483 kg more than 2005 Fiat Doblo. 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, 2005 Fiat Doblo (118 Nm @ 2500 RPM) has 44 more torque (in Nm) than 2006 Fiat Siena. (74 Nm @ 5500 RPM). This means 2005 Fiat Doblo will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2005 Fiat Doblo | 2006 Fiat Siena | |
| Make | Fiat | Fiat |
| Model | Doblo | Siena |
| Year Released | 2005 | 2006 |
| Body Type | Panel Van | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 62 HP | 100 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 118 Nm | 74 Nm |
| Torque RPM | 2500 RPM | 5500 RPM |
| Engine Compression Ratio | 22.5:1 | 9.5:1 |
| Acceleration 0-100mph | 9.9 seconds | 11.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1300 kg | 1783 kg |
| Wheelbase Size | 2660 mm | 2380 mm |
| Fuel Consumption Overall | 7.7 L/100km | 8 L/100km |
| Fuel Tank Capacity | 60 L | 54 L |
