2009 Daihatsu Sirion vs. 2010 BMW X5
To start off, 2010 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2009 Daihatsu Sirion would be higher. At 4,400 cc (8 cylinders), 2010 BMW X5 is equipped with a bigger engine. In terms of performance, 2010 BMW X5 (555 HP @ 6000 RPM) has 453 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 2010 BMW X5 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW X5 weights approximately 1529 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.
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, 2010 BMW X5 (677 Nm @ 1500 RPM) has 539 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 2010 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 Daihatsu Sirion | 2010 BMW X5 | |
| Make | Daihatsu | BMW |
| Model | Sirion | X5 |
| Year Released | 2009 | 2010 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 4400 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 555 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 138 Nm | 677 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 906 kg | 2435 kg |
| Vehicle Length | 3640 mm | 4851 mm |
| Vehicle Width | 1670 mm | 1994 mm |
| Vehicle Height | 1560 mm | 1763 mm |
| Wheelbase Size | 2440 mm | 2934 mm |
| Fuel Tank Capacity | 40 L | 85 L |
