2005 BMW 530 vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 530. In addition, the cost of maintenance, including insurance, on 2005 BMW 530 would be higher. At 2,979 cc (6 cylinders), 2005 BMW 530 is equipped with a bigger engine. In terms of performance, 2005 BMW 530 (254 HP @ 6000 RPM) has 186 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 2005 BMW 530 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 530 weights approximately 670 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 530 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2005 BMW 530 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, 2005 BMW 530 (300 Nm @ 2500 RPM) has 165 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 2005 BMW 530 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2005 BMW 530 | 2007 Fiat Siena | |
| Make | BMW | Fiat |
| Model | 530 | Siena |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1697 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 254 HP | 68 HP |
| Engine RPM | 6000 RPM | 4600 RPM |
| Torque | 300 Nm | 135 Nm |
| Torque RPM | 2500 RPM | 2500 RPM |
| Engine Compression Ratio | 10.7:1 | 20.3:1 |
| Top Speed | 240 km/hour | 160 km/hour |
| Acceleration 0-100mph | 7 seconds | 16.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1090 kg |
| Vehicle Length | 4850 mm | 4140 mm |
| Vehicle Width | 1850 mm | 1640 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2380 mm |
| Fuel Consumption Overall | 10.1 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 70 L | 47 L |
