2009 BMW 530 vs. 2007 Fiat Siena
To start off, 2009 BMW 530 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2007 Fiat Siena would be higher. At 2,993 cc (6 cylinders), 2009 BMW 530 is equipped with a bigger engine. In terms of performance, 2009 BMW 530 (232 HP @ 4000 RPM) has 160 more horse power than 2007 Fiat Siena. (72 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 530 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 530 weights approximately 598 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 2009 BMW 530 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 530. However, in wet, icy, snow, or gravel driving conditions, 2007 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 BMW 530 (500 Nm @ 1750 RPM) has 398 more torque (in Nm) than 2007 Fiat Siena. (102 Nm @ 3250 RPM). This means 2009 BMW 530 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2009 BMW 530 | 2007 Fiat Siena | |
| Make | BMW | Fiat |
| Model | 530 | Siena |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1242 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 232 HP | 72 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 500 Nm | 102 Nm |
| Torque RPM | 1750 RPM | 3250 RPM |
| Engine Bore Size | 84 mm | 70.9 mm |
| Engine Stroke Size | 90 mm | 78.9 mm |
| Engine Compression Ratio | 17.0:1 | 9.1:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 6.8 seconds | 13.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1668 kg | 1070 kg |
| Vehicle Length | 4850 mm | 3830 mm |
| Vehicle Width | 1850 mm | 1640 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2380 mm |
| Fuel Consumption Overall | 6.4 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
