2007 BMW X3 vs. 2003 Fiat Siena
To start off, 2007 BMW X3 is newer by 4 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 1,995 cc (4 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (149 HP @ 4000 RPM) has 80 more horse power than 2003 Fiat Siena. (69 HP @ 4500 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 640 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 2007 BMW X3 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, 2007 BMW X3 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, 2007 BMW X3 (330 Nm @ 2000 RPM) has 202 more torque (in Nm) than 2003 Fiat Siena. (128 Nm @ 2500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
2007 BMW X3 | 2003 Fiat Siena | |
Make | BMW | Fiat |
Model | X3 | Siena |
Year Released | 2007 | 2003 |
Body Type | SUV | Sedan |
Engine Position | Front | Front |
Engine Size | 1995 cc | 1747 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 149 HP | 69 HP |
Engine RPM | 4000 RPM | 4500 RPM |
Torque | 330 Nm | 128 Nm |
Torque RPM | 2000 RPM | 2500 RPM |
Engine Bore Size | 84 mm | 82.7 mm |
Engine Stroke Size | 90 mm | 79.2 mm |
Engine Compression Ratio | 17.0:1 | 20.3:1 |
Fuel Type | Diesel | Diesel |
Drive Type | 4WD | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 1740 kg | 1100 kg |
Vehicle Length | 4570 mm | 4110 mm |
Vehicle Width | 1680 mm | 1630 mm |
Vehicle Height | 1860 mm | 1470 mm |
Wheelbase Size | 2800 mm | 2380 mm |