2004 BMW Z4 vs. 2012 Daihatsu Sirion
To start off, 2012 Daihatsu Sirion is newer by 8 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 2,171 cc (6 cylinders), 2004 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (168 HP @ 6250 RPM) has 82 more horse power than 2012 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2004 BMW Z4 should accelerate faster than 2012 Daihatsu Sirion.
Because 2004 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 2004 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2012 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, 2004 BMW Z4 (210 Nm @ 3500 RPM) has 89 more torque (in Nm) than 2012 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2004 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2012 Daihatsu Sirion.
Compare all specifications:
| 2004 BMW Z4 | 2012 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | Z4 | Sirion |
| Year Released | 2004 | 2012 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 86 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 210 Nm | 121 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 220 km/hour | 170 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 11.3 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
