1999 Daihatsu Sirion vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 11 year(s). Which means there will be less support and parts availability for 1999 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1999 Daihatsu Sirion would be higher. At 1,581 cc (4 cylinders), 2010 Fiat Siena is equipped with a bigger engine. In terms of performance, 2010 Fiat Siena (106 HP @ 5500 RPM) has 53 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM) In normal driving conditions, 2010 Fiat Siena should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2010 Fiat Siena weights approximately 205 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2010 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 1999 Daihatsu Sirion will offer significantly more control. 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, 2010 Fiat Siena (140 Nm @ 4000 RPM) has 52 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2010 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1999 Daihatsu Sirion | 2010 Fiat Siena | |
| Make | Daihatsu | Fiat |
| Model | Sirion | Siena |
| Year Released | 1999 | 2010 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 988 cc | 1581 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 53 HP | 106 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 88 Nm | 140 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 71.9 mm | 86.5 mm |
| Engine Stroke Size | 81 mm | 67.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 890 kg | 1095 kg |
| Vehicle Length | 3680 mm | 3550 mm |
| Vehicle Width | 1600 mm | 1640 mm |
| Vehicle Height | 1460 mm | 1490 mm |
| Wheelbase Size | 2350 mm | 2370 mm |
| Fuel Tank Capacity | 37 L | 47 L |
