2008 BMW Z4 vs. 2006 Fiat Siena
To start off, 2008 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2006 Fiat Siena would be higher. At 2,996 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (261 HP @ 6600 RPM) has 160 more horse power than 2006 Fiat Siena. (101 HP @ 5500 RPM). In normal driving conditions, 2008 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 388 kg more than 2008 BMW Z4.
Because 2008 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 2008 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, 2008 BMW Z4 (316 Nm @ 2750 RPM) has 176 more torque (in Nm) than 2006 Fiat Siena. (140 Nm @ 4000 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
2008 BMW Z4 | 2006 Fiat Siena | |
Make | BMW | Fiat |
Model | Z4 | Siena |
Year Released | 2008 | 2006 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 2996 cc | 1581 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 261 HP | 101 HP |
Engine RPM | 6600 RPM | 5500 RPM |
Torque | 316 Nm | 140 Nm |
Torque RPM | 2750 RPM | 4000 RPM |
Engine Bore Size | 85 mm | 86.4 mm |
Engine Stroke Size | 88 mm | 67.4 mm |
Top Speed | 250 km/hour | 184 km/hour |
Acceleration 0-100mph | 5.7 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 | 1395 kg | 1783 kg |
Vehicle Length | 4100 mm | 3830 mm |
Vehicle Width | 1790 mm | 1640 mm |
Vehicle Height | 1270 mm | 1440 mm |
Wheelbase Size | 2500 mm | 2380 mm |
Fuel Consumption Overall | 8.9 L/100km | 8 L/100km |
Fuel Tank Capacity | 55 L | 54 L |