2006 BMW Z4 vs. 2006 Fiat Siena
To start off, both 2006 BMW Z4 and 2006 Fiat Siena were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 89 more horse power than 2006 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 448 kg more than 2006 BMW Z4.
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, 2006 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 171 more torque (in Nm) than 2006 Fiat Siena. (74 Nm @ 5500 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
2006 BMW Z4 | 2006 Fiat Siena | |
Make | BMW | Fiat |
Model | Z4 | Siena |
Year Released | 2006 | 2006 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2492 cc | 1581 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 189 HP | 100 HP |
Engine RPM | 6000 RPM | 5500 RPM |
Torque | 245 Nm | 74 Nm |
Torque RPM | 3500 RPM | 5500 RPM |
Engine Compression Ratio | 11.0:1 | 9.5:1 |
Acceleration 0-100mph | 7 seconds | 11.1 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 | 1783 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 | 8 L/100km |
Fuel Tank Capacity | 55 L | 54 L |