2003 Fiat Siena vs. 2008 Subaru Outback
To start off, 2008 Subaru Outback is newer by 5 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 2,501 cc (4 cylinders), 2008 Subaru Outback is equipped with a bigger engine. In terms of performance, 2008 Subaru Outback (170 HP @ 6000 RPM) has 101 more horse power than 2003 Fiat Siena. (69 HP @ 4500 RPM) In normal driving conditions, 2008 Subaru Outback should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2008 Subaru Outback weights approximately 275 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.
Because 2008 Subaru Outback is four wheel drive (4WD), it will have significant more traction and grip than 2003 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2008 Subaru Outback 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, 2008 Subaru Outback (231 Nm @ 4400 RPM) has 103 more torque (in Nm) than 2003 Fiat Siena. (128 Nm @ 2500 RPM). This means 2008 Subaru Outback will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2003 Fiat Siena | 2008 Subaru Outback | |
| Make | Fiat | Subaru |
| Model | Siena | Outback |
| Year Released | 2003 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2501 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 69 HP | 170 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 128 Nm | 231 Nm |
| Torque RPM | 2500 RPM | 4400 RPM |
| Engine Bore Size | 82.7 mm | 99.5 mm |
| Engine Stroke Size | 79.2 mm | 79 mm |
| Engine Compression Ratio | 20.3:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1100 kg | 1375 kg |
| Vehicle Length | 4110 mm | 4740 mm |
| Vehicle Width | 1630 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1550 mm |
| Wheelbase Size | 2380 mm | 2680 mm |
