2009 BMW Z4 vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2009 BMW Z4. In addition, the cost of maintenance, including insurance, on 2009 BMW Z4 would be higher. At 2,494 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 200 kg more than 2010 Fiat Siena.
Because 2009 BMW Z4 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 Z4. However, in wet, icy, snow, or gravel driving conditions, 2010 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 Z4 (250 Nm @ 2000 RPM) has 115 more torque (in Nm) than 2010 Fiat Siena. (135 Nm @ 2500 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena. 2009 BMW Z4 has automatic transmission and 2010 Fiat Siena has manual transmission. 2010 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 BMW Z4 | 2010 Fiat Siena | |
Make | BMW | Fiat |
Model | Z4 | Siena |
Year Released | 2009 | 2010 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2494 cc | 1697 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 215 HP | 0 HP |
Torque | 250 Nm | 135 Nm |
Torque RPM | 2000 RPM | 2500 RPM |
Engine Compression Ratio | 10.5:1 | 20.3:1 |
Fuel Type | Gasoline | Diesel |
Top Speed | 227 km/hour | 160 km/hour |
Acceleration 0-100mph | 7.5 seconds | 16.3 seconds |
Drive Type | Rear | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1290 kg | 1090 kg |
Vehicle Length | 4100 mm | 4140 mm |
Vehicle Width | 1790 mm | 1640 mm |
Vehicle Height | 1310 mm | 1440 mm |
Wheelbase Size | 2500 mm | 2380 mm |
Fuel Consumption Overall | 9.7 L/100km | 6.9 L/100km |
Fuel Tank Capacity | 55 L | 47 L |