2007 BMW X3 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 174 more horse power than 2008 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2008 Daihatsu Sirion.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (305 Nm @ 2750 RPM) has 185 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2007 BMW X3 | 2008 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | X3 | Sirion |
| Year Released | 2007 | 2008 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 86 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 305 Nm | 120 Nm |
| Torque RPM | 2750 RPM | 3200 RPM |
| Engine Bore Size | 85.1 mm | 72 mm |
| Engine Stroke Size | 87.9 mm | 79.7 mm |
| Engine Compression Ratio | 10.7:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 209 km/hour | 175 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
