2008 Daihatsu Sirion vs. 2006 Fiat Siena
To start off, 2008 Daihatsu Sirion is newer by 2 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 1,581 cc (4 cylinders), 2006 Fiat Siena is equipped with a bigger engine. In terms of performance, both vehicles can yield 101 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 843 kg more than 2008 Daihatsu Sirion.
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, both vehicles can yield 140 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2008 Daihatsu Sirion | 2006 Fiat Siena | |
| Make | Daihatsu | Fiat |
| Model | Sirion | Siena |
| Year Released | 2008 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 101 HP | 101 HP |
| Engine RPM | 3600 RPM | 5500 RPM |
| Torque | 140 Nm | 140 Nm |
| Torque RPM | 4600 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 86.4 mm |
| Engine Stroke Size | 79.7 mm | 67.4 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 940 kg | 1783 kg |
| Vehicle Length | 3610 mm | 3830 mm |
| Vehicle Width | 1560 mm | 1640 mm |
| Vehicle Height | 1670 mm | 1440 mm |
| Wheelbase Size | 2440 mm | 2380 mm |
| Fuel Consumption Overall | 6 L/100km | 8 L/100km |
| Fuel Tank Capacity | 40 L | 54 L |
