2006 BMW Z4 vs. 2007 Daihatsu Sirion
To start off, 2007 Daihatsu Sirion is newer by 1 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 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 257 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 392 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Daihatsu Sirion, 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 (495 Nm @ 4900 RPM) has 375 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion. 2007 Daihatsu Sirion has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
2006 BMW Z4 | 2007 Daihatsu Sirion | |
Make | BMW | Daihatsu |
Model | Z4 | Sirion |
Year Released | 2006 | 2007 |
Body Type | Coupe | Hatchback |
Engine Position | Front | Front |
Engine Size | 3246 cc | 1298 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 343 HP | 86 HP |
Engine RPM | 7900 RPM | 6000 RPM |
Torque | 495 Nm | 120 Nm |
Torque RPM | 4900 RPM | 3200 RPM |
Engine Compression Ratio | 11.5:1 | 10.0:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Top Speed | 249 km/hour | 175 km/hour |
Acceleration 0-100mph | 5 seconds | 9.9 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1332 kg | 940 kg |
Vehicle Length | 4100 mm | 3610 mm |
Vehicle Width | 1790 mm | 1670 mm |
Vehicle Height | 1300 mm | 1560 mm |
Wheelbase Size | 2500 mm | 2440 mm |
Fuel Consumption Overall | 11.4 L/100km | 5.7 L/100km |
Fuel Tank Capacity | 60 L | 40 L |