2006 BMW 545 vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2006 BMW 545. In addition, the cost of maintenance, including insurance, on 2006 BMW 545 would be higher. At 4,396 cc (8 cylinders), 2006 BMW 545 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 545 weights approximately 765 kg more than 2010 Fiat Siena.
Because 2006 BMW 545 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 2006 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2010 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, 2006 BMW 545 (450 Nm @ 3600 RPM) has 348 more torque (in Nm) than 2010 Fiat Siena. (102 Nm @ 3250 RPM). This means 2006 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena. 2006 BMW 545 has automatic transmission and 2010 Fiat Siena has manual transmission. 2010 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 545 | 2010 Fiat Siena | |
| Make | BMW | Fiat |
| Model | 545 | Siena |
| Year Released | 2006 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 1242 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 328 HP | 0 HP |
| Torque | 450 Nm | 102 Nm |
| Torque RPM | 3600 RPM | 3250 RPM |
| Engine Compression Ratio | 10.0:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 159 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 13.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1835 kg | 1070 kg |
| Vehicle Length | 4850 mm | 3830 mm |
| Vehicle Width | 1850 mm | 1640 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2380 mm |
| Fuel Consumption Overall | 10.6 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
