2006 BMW X5 vs. 2005 Daihatsu Sirion
To start off, 2006 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2005 Daihatsu Sirion would be higher. At 2,979 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (228 HP @ 3500 RPM) has 156 more horse power than 2005 Daihatsu Sirion. (72 HP @ 5200 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 2005 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 780 kg more than 2005 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 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, 2006 BMW X5 (300 Nm @ 3500 RPM) has 198 more torque (in Nm) than 2005 Daihatsu Sirion. (102 Nm @ 3600 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Daihatsu Sirion.
Compare all specifications:
| 2006 BMW X5 | 2005 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | X5 | Sirion |
| Year Released | 2006 | 2005 |
| 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 |
| Horse Power | 228 HP | 72 HP |
| Engine RPM | 3500 RPM | 5200 RPM |
| Torque | 300 Nm | 102 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1630 kg | 850 kg |
| Vehicle Length | 4670 mm | 3680 mm |
| Vehicle Width | 1880 mm | 1600 mm |
| Vehicle Height | 1720 mm | 1460 mm |
| Wheelbase Size | 2830 mm | 2350 mm |
