2009 BMW M3 vs. 2005 Fiat Siena
To start off, 2009 BMW M3 is newer by 4 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 3,999 cc (8 cylinders), 2009 BMW M3 is equipped with a bigger engine. In terms of performance, 2009 BMW M3 (414 HP @ 8300 RPM) has 290 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM). In normal driving conditions, 2009 BMW M3 should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M3 weights approximately 560 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 2009 BMW M3 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 M3. However, in wet, icy, snow, or gravel driving conditions, 2005 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 M3 (400 Nm @ 3900 RPM) has 260 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2009 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena.
Compare all specifications:
| 2009 BMW M3 | 2005 Fiat Siena | |
| Make | BMW | Fiat |
| Model | M3 | Siena |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3999 cc | 1585 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 124 HP |
| Engine RPM | 8300 RPM | 4000 RPM |
| Torque | 400 Nm | 140 Nm |
| Torque RPM | 3900 RPM | 4000 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1655 kg | 1095 kg |
| Wheelbase Size | 2770 mm | 2450 mm |
| Fuel Tank Capacity | 63 L | 47 L |
