2006 BMW Z4 vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 265 kg more than 2009 Fiat Siena.
Because 2006 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 143 more torque (in Nm) than 2009 Fiat Siena. (102 Nm @ 3250 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
2006 BMW Z4 | 2009 Fiat Siena | |
Make | BMW | Fiat |
Model | Z4 | Siena |
Year Released | 2006 | 2009 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2492 cc | 1242 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 189 HP | 0 HP |
Torque | 245 Nm | 102 Nm |
Torque RPM | 3500 RPM | 3250 RPM |
Engine Compression Ratio | 11.0:1 | 9.1:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Top Speed | 235 km/hour | 159 km/hour |
Acceleration 0-100mph | 7 seconds | 13.5 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1335 kg | 1070 kg |
Vehicle Length | 4100 mm | 3830 mm |
Vehicle Width | 1790 mm | 1640 mm |
Vehicle Height | 1310 mm | 1440 mm |
Wheelbase Size | 2500 mm | 2380 mm |
Fuel Consumption Overall | 9 L/100km | 7.8 L/100km |
Fuel Tank Capacity | 55 L | 54 L |