2008 BMW 525 vs. 2005 Fiat Siena
To start off, 2008 BMW 525 is newer by 3 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 2,494 cc, 2008 BMW 525 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 585 kg more than 2005 Fiat Siena.
Because 2008 BMW 525 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 525. 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, 2008 BMW 525 (245 Nm @ 3500 RPM) has 105 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2008 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena. 2008 BMW 525 has automatic transmission and 2005 Fiat Siena has manual transmission. 2005 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 525 | 2005 Fiat Siena | |
| Make | BMW | Fiat |
| Model | 525 | Siena |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1585 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 124 HP |
| Torque | 245 Nm | 140 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.1 mm | 86.4 mm |
| Engine Stroke Size | 75 mm | 67.4 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1680 kg | 1095 kg |
| Wheelbase Size | 2840 mm | 2450 mm |
| Fuel Tank Capacity | 70 L | 47 L |
