2004 BMW 320 vs. 2005 Fiat Siena
To start off, 2005 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW 320. In addition, the cost of maintenance, including insurance, on 2004 BMW 320 would be higher. At 1,993 cc (4 cylinders), 2004 BMW 320 is equipped with a bigger engine. In terms of performance, 2004 BMW 320 (148 HP @ 4000 RPM) has 24 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM). In normal driving conditions, 2004 BMW 320 should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 320 weights approximately 585 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 2004 BMW 320 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 2004 BMW 320. 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, 2004 BMW 320 (350 Nm @ 2000 RPM) has 210 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2004 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena.
Compare all specifications:
| 2004 BMW 320 | 2005 Fiat Siena | |
| Make | BMW | Fiat |
| Model | 320 | Siena |
| Year Released | 2004 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1585 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 124 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 350 Nm | 140 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86.4 mm |
| Engine Stroke Size | 90 mm | 67.4 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1680 kg | 1095 kg |
| Wheelbase Size | 2730 mm | 2450 mm |
| Fuel Tank Capacity | 63 L | 47 L |
