2008 BMW Z4 vs. 2010 Daihatsu Sirion
To start off, 2010 Daihatsu Sirion is newer by 2 year(s). Which means there will be less support and parts availability for 2008 BMW Z4. In addition, the cost of maintenance, including insurance, on 2008 BMW Z4 would be higher. At 3,248 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 269 more horse power than 2010 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2010 Daihatsu Sirion.
Because 2010 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2010 Daihatsu Sirion will offer significantly more control. 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 (365 Nm @ 4900 RPM) has 271 more torque (in Nm) than 2010 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Daihatsu Sirion.
Compare all specifications:
| 2008 BMW Z4 | 2010 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | Z4 | Sirion |
| Year Released | 2008 | 2010 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3248 cc | 998 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 69 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 365 Nm | 94 Nm |
| Torque RPM | 4900 RPM | 3600 RPM |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5 seconds | 13.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
