2003 Fiat Siena vs. 2011 Fiat Idea
To start off, 2011 Fiat Idea is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2003 Fiat Siena would be higher. At 1,301 cc (4 cylinders), 2003 Fiat Siena is equipped with a bigger engine. In terms of performance, 2011 Fiat Idea (79 HP @ 5000 RPM) has 20 more horse power than 2003 Fiat Siena. (59 HP @ 5200 RPM) In normal driving conditions, 2011 Fiat Idea should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2011 Fiat Idea weights approximately 110 kg more than 2003 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 Fiat Idea (114 Nm @ 4000 RPM) has 11 more torque (in Nm) than 2003 Fiat Siena. (103 Nm @ 2500 RPM). This means 2011 Fiat Idea will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2003 Fiat Siena | 2011 Fiat Idea | |
| Make | Fiat | Fiat |
| Model | Siena | Idea |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1301 cc | 1242 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 59 HP | 79 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 103 Nm | 114 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 70.8 mm | 70.8 mm |
| Engine Stroke Size | 78.9 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1150 kg |
| Vehicle Length | 4110 mm | 3940 mm |
| Vehicle Width | 1630 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1670 mm |
| Wheelbase Size | 2380 mm | 2520 mm |
