2009 Fiat Idea vs. 2007 Fiat Siena
To start off, 2009 Fiat Idea is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2007 Fiat Siena would be higher. At 1,910 cc (4 cylinders), 2009 Fiat Idea is equipped with a bigger engine. In terms of performance, 2009 Fiat Idea (100 HP @ 4000 RPM) has 32 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 2009 Fiat Idea should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Fiat Idea weights approximately 60 kg more than 2007 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, 2009 Fiat Idea (260 Nm @ 1750 RPM) has 125 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 2009 Fiat Idea will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2009 Fiat Idea | 2007 Fiat Siena | |
| Make | Fiat | Fiat |
| Model | Idea | Siena |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1697 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 100 HP | 68 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 260 Nm | 135 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Compression Ratio | 18.0:1 | 20.3:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 179 km/hour | 160 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 16.3 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 | 1150 kg | 1090 kg |
| Vehicle Length | 3940 mm | 4140 mm |
| Vehicle Width | 1700 mm | 1640 mm |
| Vehicle Height | 1670 mm | 1440 mm |
| Wheelbase Size | 2520 mm | 2380 mm |
| Fuel Consumption Overall | 5.5 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 47 L | 47 L |
