2008 BMW M6 vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW M6. In addition, the cost of maintenance, including insurance, on 2008 BMW M6 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M6 is equipped with a bigger engine. In terms of performance, 2008 BMW M6 (500 HP @ 7750 RPM) has 394 more horse power than 2009 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2008 BMW M6 should accelerate faster than 2009 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M6 weights approximately 910 kg more than 2009 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW M6 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 2008 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2008 BMW M6 (520 Nm @ 6100 RPM) has 380 more torque (in Nm) than 2009 Fiat Siena. (140 Nm @ 4000 RPM). This means 2008 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2008 BMW M6 | 2009 Fiat Siena | |
| Make | BMW | Fiat |
| Model | M6 | Siena |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1581 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 106 HP |
| Engine RPM | 7750 RPM | 5500 RPM |
| Torque | 520 Nm | 140 Nm |
| Torque RPM | 6100 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 86.5 mm |
| Engine Stroke Size | 75.2 mm | 67.4 mm |
| Engine Compression Ratio | 12.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 4.8 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2005 kg | 1095 kg |
| Vehicle Length | 4880 mm | 3550 mm |
| Vehicle Width | 1860 mm | 1640 mm |
| Vehicle Height | 1380 mm | 1490 mm |
| Wheelbase Size | 2790 mm | 2370 mm |
| Fuel Consumption Overall | 15.4 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 47 L |
