2003 BMW X3 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 2,494 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (189 HP @ 6000 RPM) has 120 more horse power than 2009 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 925 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 BMW X3 (245 Nm @ 3500 RPM) has 151 more torque (in Nm) than 2009 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2003 BMW X3 | 2009 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | X3 | Sirion |
| Year Released | 2003 | 2009 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 998 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 69 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 94 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 71.1 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1815 kg | 890 kg |
| Vehicle Length | 4570 mm | 3610 mm |
| Vehicle Width | 1860 mm | 1670 mm |
| Vehicle Height | 1680 mm | 1560 mm |
| Wheelbase Size | 2890 mm | 2440 mm |
| Fuel Tank Capacity | 67 L | 40 L |
