2008 BMW 645 vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 3 year(s). Which means there will be less support and parts availability for 2008 BMW 645. In addition, the cost of maintenance, including insurance, on 2008 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 228 more horse power than 2011 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2008 BMW 645 should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 616 kg more than 2011 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW 645 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 645. However, in wet, icy, snow, or gravel driving conditions, 2011 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 645 (450 Nm @ 3600 RPM) has 376 more torque (in Nm) than 2011 Fiat Siena. (74 Nm @ 5500 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena.
Compare all specifications:
2008 BMW 645 | 2011 Fiat Siena | |
Make | BMW | Fiat |
Model | 645 | Siena |
Year Released | 2008 | 2011 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 1581 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 100 HP |
Engine RPM | 6100 RPM | 5500 RPM |
Torque | 450 Nm | 74 Nm |
Torque RPM | 3600 RPM | 5500 RPM |
Engine Bore Size | 92.1 mm | 86.4 mm |
Engine Stroke Size | 82.7 mm | 67.4 mm |
Engine Compression Ratio | 10.0:1 | 9.5:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Acceleration 0-100mph | 5.6 seconds | 11.5 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 | 1690 kg | 1074 kg |
Vehicle Length | 4830 mm | 3550 mm |
Vehicle Width | 1860 mm | 1640 mm |
Vehicle Height | 1380 mm | 1440 mm |
Wheelbase Size | 2790 mm | 2380 mm |
Fuel Consumption Overall | 11.8 L/100km | 8.2 L/100km |
Fuel Tank Capacity | 70 L | 54 L |