2005 BMW 745 vs. 2003 Fiat Siena
To start off, 2005 BMW 745 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2003 Fiat Siena would be higher. At 4,398 cc (8 cylinders), 2005 BMW 745 is equipped with a bigger engine. In terms of performance, 2005 BMW 745 (325 HP @ 6000 RPM) has 266 more horse power than 2003 Fiat Siena. (59 HP @ 5200 RPM). In normal driving conditions, 2005 BMW 745 should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 745 weights approximately 970 kg more than 2003 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 745 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 2005 BMW 745. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2005 BMW 745 (450 Nm @ 3600 RPM) has 347 more torque (in Nm) than 2003 Fiat Siena. (103 Nm @ 2500 RPM). This means 2005 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena. 2005 BMW 745 has automatic transmission and 2003 Fiat Siena has manual transmission. 2003 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
2005 BMW 745 | 2003 Fiat Siena | |
Make | BMW | Fiat |
Model | 745 | Siena |
Year Released | 2005 | 2003 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 1301 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 325 HP | 59 HP |
Engine RPM | 6000 RPM | 5200 RPM |
Torque | 450 Nm | 103 Nm |
Torque RPM | 3600 RPM | 2500 RPM |
Engine Bore Size | 92.1 mm | 70.8 mm |
Engine Stroke Size | 82.7 mm | 78.9 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 2010 kg | 1040 kg |
Wheelbase Size | 3000 mm | 2380 mm |