2003 Fiat Siena vs. 2010 Mazda BT-50
To start off, 2010 Mazda BT-50 is newer by 7 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 2,500 cc (4 cylinders), 2010 Mazda BT-50 is equipped with a bigger engine. In terms of performance, 2010 Mazda BT-50 (141 HP @ 3500 RPM) has 72 more horse power than 2003 Fiat Siena. (69 HP @ 4500 RPM) In normal driving conditions, 2010 Mazda BT-50 should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mazda BT-50 weights approximately 766 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 2010 Mazda BT-50 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, 2010 Mazda BT-50 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 Mazda BT-50 (330 Nm @ 1800 RPM) has 202 more torque (in Nm) than 2003 Fiat Siena. (128 Nm @ 2500 RPM). This means 2010 Mazda BT-50 will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2003 Fiat Siena | 2010 Mazda BT-50 | |
| Make | Fiat | Mazda |
| Model | Siena | BT-50 |
| Year Released | 2003 | 2010 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 69 HP | 141 HP |
| Engine RPM | 4500 RPM | 3500 RPM |
| Torque | 128 Nm | 330 Nm |
| Torque RPM | 2500 RPM | 1800 RPM |
| Engine Bore Size | 82.7 mm | 93 mm |
| Engine Stroke Size | 79.2 mm | 92 mm |
| Engine Compression Ratio | 20.3:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1100 kg | 1866 kg |
| Vehicle Length | 4110 mm | 5080 mm |
| Vehicle Width | 1630 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1750 mm |
| Wheelbase Size | 2380 mm | 3010 mm |
