2008 Fiat Siena vs. 2003 Scion xB
To start off, 2008 Fiat Siena is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Scion xB. In addition, the cost of maintenance, including insurance, on 2003 Scion xB would be higher. At 1,581 cc (4 cylinders), 2008 Fiat Siena is equipped with a bigger engine. In terms of performance, both vehicles can yield 106 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. 2003 Scion xB weights approximately 15 kg more than 2008 Fiat Siena.
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, 2003 Scion xB (142 Nm @ 4200 RPM) has 2 more torque (in Nm) than 2008 Fiat Siena. (140 Nm @ 4000 RPM). This means 2003 Scion xB will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Siena.
Compare all specifications:
| 2008 Fiat Siena | 2003 Scion xB | |
| Make | Fiat | Scion |
| Model | Siena | xB |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 1489 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 106 HP | 106 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 140 Nm | 142 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 86.5 mm | 76 mm |
| Engine Stroke Size | 67.4 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1095 kg | 1110 kg |
| Vehicle Length | 3550 mm | 3950 mm |
| Vehicle Width | 1640 mm | 1700 mm |
| Vehicle Height | 1490 mm | 1650 mm |
| Wheelbase Size | 2370 mm | 2510 mm |
| Fuel Tank Capacity | 47 L | 45 L |
