2006 BMW X5 vs. 2005 Fiat Siena
To start off, 2006 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2005 Fiat Siena would be higher. At 2,979 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (228 HP @ 3500 RPM) has 104 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 535 kg more than 2005 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 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, 2006 BMW X5 (300 Nm @ 3500 RPM) has 160 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena.
Compare all specifications:
2006 BMW X5 | 2005 Fiat Siena | |
Make | BMW | Fiat |
Model | X5 | Siena |
Year Released | 2006 | 2005 |
Body Type | SUV | Sedan |
Engine Position | Front | Front |
Engine Size | 2979 cc | 1585 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 228 HP | 124 HP |
Engine RPM | 3500 RPM | 4000 RPM |
Torque | 300 Nm | 140 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Bore Size | 84 mm | 86.4 mm |
Engine Stroke Size | 89.6 mm | 67.4 mm |
Drive Type | 4WD | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 1630 kg | 1095 kg |
Wheelbase Size | 2830 mm | 2450 mm |
Fuel Tank Capacity | 93 L | 47 L |